考研The crash of Egypt Air Flight 804,which terrorists may have downed over the Mediterranean Sea ,provides another tragic reminder of why.
考研Seven months and one election day later, a new conservative city council suspended enforcement of the clean air zone, a first step toward its possible demise.
六级As if that were not enough, a Brazilian C-130 Hercules military transport plane has remained stranded near the runway of Chile's air base here since it crash-landed in 2014.
四级It's good to get back to some fresh air.
四级It has been trying out monitoring stations that are intended to yield minute-to-minute maps of outdoor air pollution.
四级Then again, the air of accountability that the camera generates can also work in contractors' favor.
四级Experts believe the boxes from Air France Flight 447, which crashed near Brazil on June 1,2009, are in water nearly that deep, but statistics say they're still likely to turn up.
考研If you look hard enough, you'll find that many of the products we use every day—chewing gums, skin moisturizers, disinfecting wipes, air fresheners, water purifiers, health snacks, antiperspirants, colognes, teeth whiteners, fabric softeners, vitamins—are
高考Each time the bowl of rice is pushed over the table edge, it falls in the ground---and, in the process, it belongs out important evidence about how physical objects interact: bowls of rice do not flood in mid-air, but require support to remain stable.
四级In the deaf culture of North America, many listeners show applause not by clapping their hands but by waving them in the air.
高考The air was so different from the city, cool and fresh.
六级Citizens of wealthy nations demand national parks, clean rivers, clean air and poisonfree food.
高考Good morning! This is clean air hot line.
考研Even Tommasini, who had advocated Gilbert’s appointment in the Times, calls him “an unpretentious musician with no air of the formidable conductor about him”.
四级The report includes both indoor and outdoor air pollution.
六级Online security cameras, intelligent lighting and a wealth of sensors that control both temperature and air quality are offering an unprecedented level of control, efficiency, and improvements to what were once classed necessary costs when running a busin
高考What the plants pump through the air is a mixture of chemicals known as volatile organic compounds, vocs for short.
六级By inhaling air polluted with the virus.
四级This doesn't mean to put on airs and say "do you know who I am?
考研” said one recorder of events, “The air at twelve leagues’ distance smelt as sweet as a new-blown garden.
高考Jordan Axani, said he and his then girlfriend, Elizabeth Gallagher, booked heavily discounted round-the-world air tickets in May.
乔丹·阿克萨尼（Jordan Axani）说，他和当时的女友伊丽莎白·加拉赫（Elizabeth Gallagher）在5月份预订了大幅打折的环球机票。
六级The higher one climbs, the less oxygen there is in the air.
四级Cairo is known for its overcrowded roads, irregular driving practices and shaky old vehicles, but also for its air pollution.
高考In addition to their simple beauty, what makes the adobe dwellings admirable is their ability to "air condition" a house without using electric equipment.
高考And because the process of recycling steel is less polluting than making new steel, we've also achieved the following significant savings; in energy use—47% to 74%; in air pollution—85%; in water pollution—35%; in water use—40%.
高考Instead, we had a pop-up camper with comfortable beds and an air conditioner.
六级5 million people died prematurely from outdoor air pollution in 2015.
四级The airlander 10 spent nearly 2 hours in the air, having taken off from Cardington airfield in Bedfordshire.
六级Traffic has become synonymous with air pollution, and many countries intend to ban the sale of new petrol and diesel cars in the next two decades.
四级"One of the risk factors for premature deaths is the air we breathe, over which individuals have little control," he said.
高考If the air you're breathing is clean—which it would be if you're away from the smog of cities—then the air is filled with life-giving, energizing oxygen.
考研The zones do deliver some improvements to air quality, and the science tells us that means real health benefits - fewer heart attacks, strokes and premature births, less cancer, dementia and asthma.
四级The figures include a number of costs associated with air pollution.
高考It flies using a 23-gallon tank of gas and bums 5 gallons per hour in the air.
四级the 20th century a highway, car, truck century—and the 21st century will increasingly be an aviation century, as the globe becomes increasingly connected by air, " Kasarda says.
高考That means a transparent object doesn't look very different from the surrounding air or water.
考研But demanding too much of air travelers or providing too little security in return undermines public support for the process.
高考Today, the scars of destruction are still seen in rockaway, but hope is in the air.
四级millions die early from air pollution each year.
高考We all grew up hearing people tell us to "go out and get some fresh air.
高考When we touched down to blue skies and warm air, I sent up a small prayer of gratefulness.
高考It looks like an open air museum in the city.
六级Journalist Sarah Scoles reports that NASA currently tracks about 24,000 objects in space, and in 2016 the air Force had to issue 3,995,874 warnings to satellite owners alerting them to a potential nearby threat from another satellite or bit of debris.
六级As stories go through the chains of people, they are refined, corrected and sorted out until they come finally to me and I have a chance to read through most stories before I go on the air.
高考The transition, which flew at 1, 400 feet for eight minutes last month, can reach around 70 miles per hour on the road and 115 in the air.
六级They soar up to 40 meters into the cold air.
高考Without gravity to help circulate air, the carbon dioxide you exhale has a tendency to form an invisible cloud around you head.
四级Although in-flight infections thrive in dry environments like airplanes, your risk of getting sick from an airplane is actually low because of the air filters used.
六级The persistent haze over many of our cities is a reminder of the polluted air that we breathe, over 80% of the world's urban population is breathing air that fails to meet World Health Organisation guidelines.
考研Mayor Jose Luis Martinez-Almeida made opposition to the zone a centrepiece of his election campaign, despite its success in improving air quality.
市长何塞·路易斯·马丁内斯·阿尔梅达（Jose Luis Martinez Almeida）将反对该区作为其竞选活动的中心，尽管该区在改善空气质量方面取得了成功。
考研It was specifically to provide city dwellers with spaces for leisure where they could experience “a refreshing air”.
六级When people don't get enough oxygen, they often begin togasp for air
考研It remains to be seen how weather conditions affect the air flows that make formation flight more efficient .
考研But demanding too much of air travelers or providing too little security in return undermines public support for process.
六级In the meantime, the amount of CO2 in the air is rapidly approaching the limits proposed by the Intergovernmental Panel on Climate Change (IPCC).
考研That s because they inevitably put the costs of cleaning the air on to individual drivers-who must pay fees or buy better vehicles 一rather than on to the car manufacturers whose cheating is the real cause of our toxic pollution.
高考The loss of shade trees is already causing a slight change in the world's climate, and studies show that loss of oxygen-giving trees also leads to air pollution and global warming.
六级without those masses of cooling sea ice, warm air brought to the Arctic can penetrate further inland than it ever did before.
高考Is fresh air really good for you?
六级We can pollute the air with acids, the rivers with sewage(污水), the seas with oil
六级But all these concepts are massively expensive, require safety certification standards for road and air, need dual controls, involve complex folding wings and propellers,and have to be flown from air-strips.
六级James hiked, fished, learnt to sail and experimented with hot air ballooning.
高考It leads to air pollution and global warming.
四级What controls remain for the users will be audio-based, so, for example, you'll just have to say "a bit warmer", and the air conditioning will adjust automatically
四级Perception of sweet and salty foods dropped by almost individuals percent in a simulation of air travel.
六级That presumably included much more water than the tiny trace we find blowing in the thick air today.
高考The wind blew non-stop, and all the food I ate, and the very air I breathed, were filled with sand, sand, sand!
四级Therefore, these new findings should help airplane passengers to feel less vulnerable to catching respiratory infections while traveling by air.
六级The air can stay warmer, longer too.
高考Pretty soon I'd made my way through the supermarket and was back in the fresh air.
四级Solar homes produce the most power on the hot sunny afternoons when everyone rushes home to turn up the air conditioner.
六级Citizens of wealthy nations demand national parks, clean rivers, clean air and poison-free food.
六级In two cases, huge machines have been used to lift the buildings up to 30 centimeters into the air.
高考Dad carried the pot out and we opened doors and windows to air out the house.
高考Here, the air was clean and fresh, even with the rain.
高考Along the way are tales of kings and queens, hot air balloons...and monkeys in space.
考研The air flowing over a bird's wings curls upwards behind the wingtips, a phenomenon known as up wash.
四级Houses built before 1939 use about 50% more energy per square foot than those built after 2000, mainly due to the tiny cracks and gaps that expand over time and let in more outside air.
四级The effects of air pollution are worst in the developing world, where in some places lost-labor income equals-nearly 1% of GDP.
四级What do we know about the black boxes from Air France Flight
高考The exhibition tells us why we should do something to stop air pollution.
四级The air you breathe in a plane dries out your mouth and nose, which can affect your sense of taste.
高考Out of breath, I swung open the door and got a blast of cold air that instantly cooled me off.
高考These modern architectural masterpieces are so many that Hilversum almost feels like an open air museum.
高考The cooling wind swept through out bedroom windows, making air conditioning unnecessary.
四级air pollution costs the global economy more than $5 trillion annually in welfare costs, with the most serious damage occurring in the developing world.
四级Around 9 in 10 people in low- and middle-income countries live in places where they regularly experience dangerous levels of outdoor air pollution.
高考Since that first repair job, a broken air-conditioner, a non-functioning washer and a non-toasting toaster have been fixed.
高考We need to have some fresh air.
高考Another side benefit of getting fresh air is sunlight.
高考A vehicle is polluting the air.
考研Among other weaknesses, the measures cities must employ when left to tackle dirty air on their own are politically contentious, and therefore vulnerable.
考研But the remaining trees draw a greater share of the available moisture, so they grow and thrive, restoring the forest's capacity to pull carbon from the air.
四级If you're planning on being one of them soon, you might not be looking forward to the unpleasant feeling air travel often leaves you with.
高考A Toronto man is offering a free round-the-world air to the right woman.
高考It has seats in the open air.
四级Whether she can travel by air.
六级This sounds like so much hot air, but the near $13 billion fortune this entrepreneur has amassed comes from practical achievements rather than hypothetical ones.
六级In the deaf culture of North America, many listeners show applause not by clapping their hands but by waving them in the air.
四级One vision of the perfect city of the future: a place that offers easy access to air travel.