rain 

4270
高中CET4CET6
单词释义
n.雨,雨水,(热带地区的)雨季,雨点般降落的东西
v.下雨,(使)大量降落,雨点般落下
词根词缀记忆/谐音联想记忆 补充/纠错
谐音润(谐音):春雨润物细无声 → rain  …………
其他怎么记补充/纠错
串记记忆大雨(rain)无法控制(rein)毁坏(ruin)了村庄
 …………
词性拓展记忆 / 词形拓展记忆
原形:rain第三人称单数:rains复数:rains过去式:rained过去分词:rained现在分词:raining
对比记忆 / 类比记忆 / 形近词记忆
词组和短语补充/纠错
acid rain 酸雨
rain cats and dogs 下倾盆大雨
heavy rain 大雨
artificial rain 人工降雨
rain down 下雨
be caught in the rain 被雨淋了
take a rain check 改天再检查
freezing rain 冻雨
torrential rain 暴雨
rain forest 雨林
rain water 雨水
rain boots 雨靴
It never rains but it pours. 不鸣则已,一鸣惊人
tropical rain forest 热带雨林
rain or shine 风雨无阻
temperate rain forest 温带雨林
moderate rain 中雨
come in out of the rain 从雨中进来
tropic rain forest 热带雨林
no rain at all 根本不下雨
a rain of stones 石头雨
simulate rain 模拟降雨
showery rain 阵雨
right as rain 非常健康
periods of no rain at all 完全不下雨的时期
no rain 不下雨
orographic rain 地形雨
tropical rain forests 热带雨林
as right as rain 一切良好
take a rain check on 改天检查一下
rain forests and marshy areas 雨林和沼泽地区
rain out sth. 把某物淋湿
get a rain check on 改天检查一下
rain sth. out 把某物淋湿
to rain death 导致死亡
the purest rain 最纯净的雨
not know enough to come in out of the rain 不知道怎么从雨中走出来
no wind and no rain for a week 一周不刮风不下雨
单词例句
It's going to rain today.
今天会下雨。
The rain is not heavy.
雨下得不是很大。
Today is raining fires.
今天天气热的像火烧。
For example, the company has rolled out FIT and FIT ADV technology to facilitate performance, with the latest technological innovations in dry fit, storm fit for rain and windproof functionality, and thermal fit for cold days, as well as Nike Forward for environmentally friendly efforts.
例如,该公司推出了FIT和FIT ADV技术,以提高性能,在干式贴合、风雨防风功能的风暴贴合、寒冷天气的保暖贴合等方面进行了最新技术创新,Nike Forward也致力于环保工作。
Situated in the heart of Zhejiang province, Yongkang South Railway Station found itself perched on the precipice of an impending deluge during the torrential rain caused by Typhoon Doksuri in China, which turned roads into rivers and trapped hundreds in the Yongkang city.
永康南站位于浙江省的中心地带,在中国台风“多克苏里”引发的暴雨中,它发现自己坐落在即将到来的洪水的悬崖上,这场暴雨将道路变成了河流,数百人被困在永康市。
Although the heavy rain lasted for eight hours, no damage or injuries were caused to the project or CR24 employees.
尽管大雨持续了8个小时,但没有对项目或CR24员工造成任何损坏或伤害。
Currently, more than 3,900 sq m of warehouse and rain shed roofs at Qingdao Port's fully automated terminal have been equipped with photovoltaic facilities, which can churn out 800,000 kilowatt-hours of power.
目前,青岛港全自动化码头3900多平方米的仓库和雨棚已安装光伏设施,可发电80万千瓦时。
Days of continuous rain have caused floods that halted production, damaged roads and interrupted the power supply in many areas.
At the same time, a spontaneous "Hope Group" of Adidas employees launched internal fundraising activities, purchasing and shipping 300 sets of relief supplies for the disaster-hit areas, including raincoats, rain boots and flashlights.
Unlike air and road transport, high-speed freight train is less affected by weather factors such as heavy rain and strong winds, said CRRC Tangshan, adding that it can travel 1,500 kilometers within five hours.
Compared with air and road transportation, the company said that the high-speed freight train is less affected by climate factors such as heavy rain and strong winds, and can travel a distance of 1,500 kilometers within five hours.
In South Africa, Huawei, Rain and Wits University have jointly launched Africa's first 5G laboratory which gives students access to a live 5G environment to build knowledge of the revolutionary technology's applications for the local market.
"We are very encouraged by the efforts of Huawei, Rain and Wits to establish academic research and development capabilities.
For example, all outerwear is made of water repellent fabrics, which is waterproof and effective in resisting rain and snow while allowing for ventilation, according to Zheng.
"Therefore, many people choose high-speed trains between China's two biggest cities, as they offer relatively cheaper prices and rarely experience delays on journeys due to thunderstorms, rain or snow," Cheng said.
Su explained the plant represented a high value investment for Malaysia as it would house the Vinda Innovation Center, the only one outside of China and incorporated a range of green technologies in its design such as solar panels, rain water harvesting and waste management including water treatment and composting of organic waste.
Rain, South Africa's mobile data-only network operator, also signed a deal with Huawei to launch the country's first 5G commercial network.
At the 2019 Mobile World Congress, Rain, South Africa's mobile data-only network operator, announced it had launched the first 5G commercial network in South Africa in partnership with Huawei, the leading global ICT solutions provider.
With Huawei's end-to-end 5G solutions, Rain has been able to build the 5G network using its 3.6GHz spectrum.
In the first rollout phase, Rain has deployed a number of 5G sites in key areas in Johannesburg.
Willem Roos, chief executive officer of Rain, said the network will provide fiber-like speeds without the installation complexities, time delays and cost of laying fiber in under-serviced areas.
Apart from deploying new base stations, Huawei's solutions enable Rain to fully leverage its existing LTE network and allocated spectrum for 5G deployment.
This approach of sharing facilities and leveraging existing infrastructure will enable Rain to roll out the 5G network in a quick and cost-effective manner.
Shi Jilin, president of the Huawei Cloud Core Network product line, said it is an important step to work with Rain in bringing the first 5G network construction in South Africa.
According to the plan, Rain will continue to expand the 5G network to cover all the major metropolitan areas in South Africa with 5G networks to provide ultra-broadband services to homes and enterprises.
Roosfurther noted Rain was excited to build South Africa's first large-scale 5G network, which can provide fast wireless internet to more citizens.
There are bogies in the manufacturing area, car-lifting machines are waiting to be installed, and two separate rooms have train tracks and maintenance ditches to conduct rain and explosion-proof tests.
We simulate this process by vapor distilling water, making every drop as pure as the very first drop of rain (before it passes through pollutants, of course).
The 760-meter New Muttuwal Tunnel will lead through some of the most populated areas in Colombo, which are at a heavy risk of floods, and will successfully lead the rain waters into the sea.
The 1.1-kilometers Torrington Tunnel will also lead the rain waters into the ocean, preventing future flooding.
With the annual monsoonal rains, and with a threat of major rivers overflowing, Colombo had no proper tunnels in place to drain out the rain waters, Ranawaka added.
That effort makes residents here follow the air quality like people following weather forecast, the rain and the storm.
"If you give market entities a little sunshine, they will shine, and if you give them a little rain, they will also grow," Pan said.
It was no easy task for China to achieve the 650 billion kg goal in 2023 and to guarantee the supply of key agricultural products, as the country had been confronted with adverse weather conditions including floods, drought and prolonged rain in parts of the country.
The younger generation among male consumers, they said, loves to give treats to themselves, in terms of games, looks and experiences, with last year's favorites, such as Moutai liquor, fishing gear and Arc'teryx's rain jackets, taking a backseat this year.
On the first day of the shopping festival, sales of rain jackets increased by 90 percent year-on-year.
Located in Tayuanzhuang village, Zhengding county in Shijiazhuang of North China's Hebei province, the compound has a play area for children, a small zoo with a dozen animals, a rain collection base for farmers, a meeting center and a field for picking fruits and vegetables, apart from small land parcels that are rented out to urban dwellers who want to experience the joys of agriculture.
China invested in green energy to avoid environmental problems such as global warming, acid rain and environmental pollution to achieve sustainable development and address environmental challenges.
On display here were power banks that can be rented after scanning the user's palm, windows that can automatically close when they detect a change in humidity before rain, and AI-powered garments that will inflate their gas bags before an elderly wearer falls to the ground.
Among these measures are ramped-up efforts to expand tax and fee incentives and supportive policies to enterprises, offering a "timely rain" to companies facing financial drought.
China has ramped up its tax and fee incentives and supporting policies to enterprises, a move that has not only offered a "timely rain" to companies in financial drought but also served as a shot in the arm for the economy.
- China has ramped up its tax and fee incentives and supporting policies to enterprises, a move that has not only offered a "timely rain" to companies in financial drought but also served as a shot in the arm for the economy.
For instance, with heavy rain and wet air, Indonesians tend to use moisture-proof grinders at lower prices, as battery lighters are likely to experience shorts.
"The Canton Fair is conducive to helping stabilize the global supply chain and industrial chain, and is timely rain for purchasers," said fair spokesperson Xu Bing.
- China-Europe freight trains that depart from the central Chinese city of Zhengzhou have resumed operations after the city was hit hard by floods triggered by torrential rain.
Today, however, she does not mind light rain and appears enthusiastic and content while arranging shiitake mushrooms in neat stacks of rows at a greenhouse.
In Beijing, more than 90,000 people, standing in the drizzling autumn rain, gathered at Tian'anmen Square on Oct 1 and burst into cheers as the five-starred red flag was hoisted to the top of the flagpole, accompanied by the national anthem.
Dongshi, understandably nicknamed "Umbrella Town", is seeing orders rain down like cats and dogs, as it has developed an umbrella industrial chain worth more than 10 billion yuan ($1.4 billion).
Blueberries are particularly sensitive to rain during the flowering and harvesting seasons.
Rain during the flowering period hampers proper setting of the fruit, leading to reduced yields, while rainfall during the harvesting season negatively affects the picking process, Miao explained.
"Is it like working in a tropical rain forest? "
"Also, the lychee are very sweet this year, as there was adequate rain and sunshine," he said.
Grain Rain, a Chinese skincare brand, is inspired by the eighth solar term, guyu, referring to early crops, which starts around April 20.
"When the weather is fine, the village can produce electricity of more than 2,000 kW a day," said Cai Xianmeng, an employee at the Zigui office of State Grid Corp. Statistics show that between Jan 1, 2011, and Aug 1 this year, Zigui had 378 sunny days, more than 2,000 cloudy days and around 1,500 days of rain or snow.
"Previously, traveling on this road was very difficult and when there was rain, it was very muddy," she told Xinhua News Agency after attending an event to mark the completion of the China-funded rural road project in the Southeast Asian nation.
Rain was forecast for the next day.
The arid and gravelly soil, dry climate with little rain and abundant sunlight, large temperature ranges between night and day, and an altitude above 1,000 meters is the terroir that meets the requirements for growing top-quality wine grapes.
The effect of heavy rain and floods on China's grain supply will be limited, and the country's overall grain prices will not fluctuate wildly, the country's top economic regulator said on Tuesday.
Zhengzhouxa0Xinzhengxa0Internationalxa0Airport is no longer accepting inbound flights from 20:00 on Tuesday to noon on Wednesday due to heavy rain.
In the meantime, as a delivery worker, he's ridden a scooter across the city to deliver goods in the sun and rain.
And on one occasion, when I rushed to deliver food in the rain, I lost control of my scooter and crashed into a pillar.
It may be a piece of soft music or simply the sound of rain.
Three days after the expansion plan was announced, Song stopped by the administrative service center — despite the municipal government's warning earlier that day that people should stay indoors as the strongest typhoon so far this year, Lekima, was about to hit the city with heavy rain and high winds.
"We chose to live in the village and share the sunshine, rain and roads with the villagers.
The company managing the dam was able to recycle small and medium-sized floods by promoting forecast capacity on water and rain conditions, analyzing the coming water volume, and enhancing scheduling ability.
The pilot program involved the unmanned autonomous vehicles' ability to deal with complex scenarios such as intersections, narrow roadways, as well as extreme weather conditions like rain, snow and sandstorms.
ai said it achieved safety, stability and zero accidents in complex scenarios such as intersections and narrow roads, as well as in extreme weather conditions such as rain, snow and sandstorms.
The Wind and Wave Mode enables the vehicle to engage adaptive cruise control, fog lights and rain sensors, raises the windows and adjusts the heating, ventilation, air conditioning and cooling system for an optimal internal climate all at once.
Amid light rain in Shanghai, a car automatically stopped at a designated point for pickup and waited for a passenger to get in.
According to Cang, the closed road test area contains the nation's longest tunnel as well as roads ready to be covered with rain and fog, making the test scenarios complex and realistic.
"This is of significance, as autonomous delivery has succeeded in heavy weather, including snow and rain, and also during night and in tunnels," He noted.
NIO also makes charging devices for cars and a smart device for inside a car called Nomi, which can take selfies and even close the roof if it starts to rain.
Zhang Tianlei, founder and CEO of Tianjin TruckTech, said the technology used on the truck can ensure good performance at night, and in fog, rain and snow.
ai's team has developed a specific software module that enables the cars to handle severe weather such as heavy rain, a technical breakthrough which has enabled Pony.
It can automatically shut car windows in case of rain, take a selfie for the driver, and turn on air purification based on weather conditions.
Nitrogen oxide, or NOx, can cause smog and acid rain.
ByteDance's short video site Douyin has created a special channel called 'Henan Heavy Rain SOS", where people stranded by the storm can upload a video on their whereabouts and ask for help via the platform.
Millimeter-wave radars manage to withstand unfavorable weather conditions like rain and snow to detect objects on the road.
Henan province was hit by torrential rain in July, resulting in heavy casualties and property loss.
When I visited Sanyang, a town near Changsha, I saw the office building of the township government had been destroyed by heavy rain several days earlier.
CBOT grain prices also plunged as crop-favorable rain fell over the weekend in the US Midwest.
Corn futures also suffered double-digit losses as rain fell over the weekend in the Midwest areas and temperature rose, favorable for corn growing.
Following the issuance of detailed precautionary measures on crops and husbandry, the ministry dispatched working groups to provide on-site guidance to local authorities and farmers on Saturday and launched the highest emergency response of the four-tier system for low-temperature rain, snow and freezing disasters in 18 provinces and municipalities, including Beijing, Tianjin, Guangdong and Chongqing, on Sunday.
From Saturday to Monday, heavy rain will lash parts of Sichuan, Chongqing, Guizhou, Shaanxi, Shanxi, Henan, Hubei, Jiangsu, Anhui, Shandong, Hunan, and Guangxi, according to China's meteorological department.
"We can go through winds and rain, but after that, a rainbow is always on the horizon," he said.
It added that it is instructing local authorities to take advantage of the intervals between rain to speed up harvesting.
Based on analysis, the ministry expects road traffic safety risks to arise due to five main factors: the concentrated road traffic flow around tomb areas, driving under the influence of alcohol, an increase in highway traffic accidents, overlapped multiple traffic flows in rural areas, and rain or snow.
"Currently, weather events that feature low temperature, rain and snow still happen in many areas across the country, imposing difficulties for heating supplies and affecting many people's lives," it said.
The increase came as autumn rain had delayed winter wheat, Omicron-fueled outbreaks disrupted farming and the persistent heat led to droughts in southern areas, said a statement released in tandem with the figures.
考试真题例句(机器翻译仅供参考)
全部
六级
高考
四级

六级They were able to accurately place the hair samples in broad regions roughly corresponding to the movement of rain systems.

他们能够准确地将头发样本放置在大致与降雨系统运动相对应的广阔区域。

2015年12月六级真题(第二套)听力 Section C

高考After spotting a wallet on the front seat inside a parked car with its window down, he stood guard in the rain for about two hours waiting for the owner to return.

在发现一辆车窗朝下的停着的汽车的前排座椅上有一个钱包后,他在雨中站岗了大约两个小时,等待车主回来。

2018年高考英语北京卷 完形填空 原文

六级Left alone, it was assumed, the world's rain forests would not only flourish but might even rescue us from disaster by absorbing the excess carbon dioxide and other planet-warming greenhouse gases.

人们认为,如果不加以考虑,世界雨林不仅会繁衍生息,甚至可能通过吸收过量的二氧化碳和其他导致地球变暖的温室气体,将我们从灾难中解救出来。

2013年6月阅读原文

高考In the afternoon, there will be rain in most places, with winds becoming stronger along the coast.

下午,大部分地方都会下雨,沿海风力会增强。

2016年高考英语浙江卷(10月) 听力 原文

高考Here, the air was clean and fresh, even with the rain.

在这里,即使下雨,空气也很清新。

2015年高考英语全国卷1 语法填空 原文

四级I'm currently sitting alone at the table outside the Black Cat Cafe, listening to the rain and watching people passing by.

我现在一个人坐在黑猫咖啡馆外面的桌子旁,听着雨声,看着路过的人。

2019年6月四级真题(第二套)听力 Section B

六级At the Massachusetts Institute of Technology, iPhones might already have been everywhere, if AT&T.content>Some experts say that the rain forest is already at the

在麻省理工学院,如果At&T.content>一些专家说雨林已经到达了极限,iPhone可能已经无处不在

2013年6月阅读原文

高考However, by midday, it will become cloudy in most areas, with rain spreading generally from the west.

然而,到中午,大部分地区将多云,降雨一般从西部开始。

2016年高考英语浙江卷(10月) 听力 原文

六级The author argues that the rising carbon levels in rain forests may turn them into a major source of greenhouse gases

作者认为,雨林中不断上升的碳含量可能使其成为温室气体的主要来源

2013年6月阅读原文

六级Some scientists believe that the rise in carbon levels means that the Amazon and other rain forests in Asia and Africa may go from being assets in the battle against rising temperatures to liabilities.

一些科学家认为,碳水平的上升意味着亚马逊河流域以及亚洲和非洲的其他雨林可能会从对抗气温上升的资产变成负债。

2013年6月阅读原文

高考Better sewers make it less likely that heavy rain is followed by an outbreak of the disease of bad stomach.

更好的下水道使得大雨之后胃病爆发的可能性更小。

2016年高考英语江苏卷 阅读理解 阅读C 原文

六级More than paradise lost, a perishing rain forest could trigger a domino effect - sending winds and rains kilometers off course and loading the skies with even greater levels of greenhouse gases - that will be felt far beyond the Amazon basin.

与《失乐园》相比,正在消亡的热带雨林更可能引发多米诺骨牌效应——将风和雨吹离航道数公里,并给天空带来更高水平的温室气体——这一效应将在亚马逊流域以外的地方感受到。

2013年6月阅读原文

高考A study found that a strong nifio in 1997-98 helped America's economy grow by 15 billion, partly because of better agricultural harvest, farmers in the midwest gained from extra rain.

一项研究发现,1997-1998年强劲的nifio帮助美国经济增长了150亿美元,部分原因是中西部农民从额外的降雨中获得了更好的农业收成。

2016年高考英语江苏卷 阅读理解 阅读C 原文

高考One day, the cow was eating grass when it began to rain heavily.

一天,奶牛正在吃草,突然下起了大雨。

2015年高考英语广东卷 语法填空 原文

六级Ever since humanity began to farm our own food, we've faced the unpredictable rain that is both friend and enemy.

自从人类开始种植自己的食物以来,我们就一直面临着不可预测的雨,这既是朋友也是敌人。

2018年6月六级真题(第一套)阅读 Section B

六级Some scientists believe that the rise in carbon levels means that the Amazon and other rain forests in Asia and Africa may go from being assets in the battle against rising temperatures to liabilities

一些科学家认为,碳水平的上升意味着亚马逊河流域以及亚洲和非洲的其他雨林可能会从对抗气温上升的斗争中的资产变成负债

2013年6月阅读原文

六级The author argues that the rising carbon levels in rain forests may turn them into a major source of greenhouse gases.

作者认为,雨林中碳含量的上升可能使其成为温室气体的主要来源。

2013年6月阅读原文

高考The weather forecast says it will be cloudy with a slight chance of rain later tonight.

天气预报说今晚晚些时候多云,有可能下雨。

2016年高考英语天津卷 单项填空 原文

六级The chemical composition of rainfall changes slightly as rain clouds move.

随着雨云的移动,降雨的化学成分略有变化。

2015年12月六级真题(第二套)听力 Section C

六级Predictions of the collapse of the tropical rain forests have been around for years.

关于热带雨林崩溃的预测已经存在多年了。

2013年6月阅读原文

六级If the collapse of the rain forests speeds up dramatically, it could eventually release

如果雨林的崩塌速度急剧加快,它最终可能会被释放

2013年6月阅读原文

六级In the second paragraph, the author challenges the view that the collapse of rain forests is caused by direct human interference.

在第二段中,作者对雨林的崩溃是由人类直接干预造成的观点提出了质疑。

2013年6月阅读原文

六级the collapse of rain forests is caused by direct human interference

雨林的崩塌是人为直接干扰造成的

2013年6月阅读原文

六级Food security and fortunes depend on sufficient rain, and nowhere more so than in Africa, where 96% of farmland depends on rain instead of the irrigation common in more developed places.

粮食安全和财富取决于充足的雨水,非洲最为如此,那里96%的农田依赖雨水,而不是发达地区常见的灌溉。

2018年6月六级真题(第一套)阅读 Section B

六级the condition of rain forests has been rapidly deteriorating

雨林的状况正在迅速恶化

2013年6月阅读原文

六级rain forests should not be converted into pastures or farms

雨林不应被改造成牧场或农场

2013年6月阅读原文

六级But towards late afternoon, rain will spread from Scotland to cover most parts by midnight.

但到下午晚些时候,雨水将从苏格兰蔓延到午夜覆盖大部分地区。

2010年6月听力原文

高考In wind and rain she started on her difficult way.

风雨交加,她开始了艰难的道路。

2016年高考英语浙江卷(10月) 阅读理解 阅读A 原文

高考A heavy rain ruined the dinner.

一场大雨毁了晚餐。

2016年高考英语全国卷3 阅读理解 阅读B 选项

六级the collapse of rain forests is caused by direct human interference.

雨林的崩塌是人为直接干扰造成的。

2013年6月阅读原文

四级Disputes over money may rain a relationship.

金钱纠纷可能会破坏一段感情。

2011年12月阅读原文

六级The picture worsens with each round of El Nino, the unusually warm currents in the Pacific Ocean that drive up temperatures and invariably presage (预示) droughts and fires in the rain forest.

随着厄尔尼诺的每一轮出现,情况变得更糟。厄尔尼诺是太平洋中异常温暖的洋流,导致温度升高,并总是预示着未来(预示) 雨林中的干旱和火灾。

2013年6月阅读原文

四级They can lead to extreme rain in parts of North and South America, even as southern Africa experiences dry weather.

它们可能导致北美和南美部分地区出现极端降雨,即使在南部非洲经历干旱天气的情况下也是如此。

2015年12月四级真题(第三套)阅读 Section A

六级What has made it easier to turn some rain forests into farmland?

是什么让一些雨林更容易变成农田?

2013年6月阅读原文

六级organic debris echoes the sounds in a rain forest

有机碎片在雨林中发出回声

2013年6月阅读原文

六级If the collapse of the rain forests speeds up dramatically,it could eventually release 3.5-5 billion metric tons of carbon into the atmosphere each year - making forests the leading source of greenhouse gases.

如果雨林的崩塌速度急剧加快,每年可能最终向大气释放35-50亿吨碳,使森林成为温室气体的主要来源。

2013年6月阅读原文

六级Some experts say that the rain forest is already at the

一些专家说,雨林已经达到了极限

2013年6月阅读原文

六级Extreme weather and reckless development arc plotting against the rain forest in ways that scientists have never seen.

极端天气和鲁莽的开发以科学家从未见过的方式密谋破坏雨林。

2013年6月阅读原文

六级Predictions of the collapse of the tropical rain forests have been around for years.

关于热带雨林崩溃的预测已经存在多年了。

2013年6月六级考试真题(三)

六级Food security and fortunes depend on sufficient rain, and nowhere more so than in Africa, where 96% of farmland depends on rain instead of the irrigation common in more developed places.

粮食安全和财富取决于充足

2018 年 6 月6级真题第2套

六级Sailors took note of this long ago, and came up with the saying, “The farther the sight, the nearer the rain.

水手们很早以前就注意到了这一点,并提出了这样一句话:“视线越远,雨就越近。

2008年12月英语六级真题

四级The goal was to let farmers precisely target pesticide (杀虫剂) spraying rather than rain poison on a whole field, which invariably includes plants that don’t have pest (害虫) problems.

目标是让农民精确瞄准农药(杀虫剂) 向整片田地喷洒毒药,而不是喷洒毒药,其中总是包括没有害虫的植物(害虫) 问题。

1997年6月大学英语四级(CET-4)真题

四级Many said "No way" rain would wash the black powder from the atmosphere.

许多人说“不可能”雨水会冲走大气中的黑色粉末。

2000年1月大学英语四级(CET-4)真题

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