ascertain 

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CET6考研IELTS
单词释义
vt.查明,弄清
词根词缀记忆/谐音联想记忆 补充/纠错
词根as 加强 + certain 肯定的 → 一再区别 …………
其他怎么记补充/纠错
串记记忆为了查明(ascertain)他是否真的戒(abstain)烟了,我扣留(detain)了他打火机,让他维持 …………
词性拓展记忆 / 词形拓展记忆
原形:ascertain第三人称单数:ascertains过去式:ascertained过去分词:ascertained现在分词:ascertaining
辨析记忆
discover / find / detect / ascertain
这些动词均有“发现”之意。
discover → 普通用词,指发现本来存在,但示被认识的事物、真理或情况。
find → 普通用词,可指偶然发现,也可指经过寻找后 …………
词根记忆 / 词缀记忆
ascertain确定,发现
cern, cert, cret=sure, separate,表示”搞清,区别”
concern 关系到
discern辨别,区分(dis分开+cern=分开搞清=区别)
discernmible能够分辨的
 …………
词组和短语补充/纠错
ascertain sb.'s sentiments on 查明某人对某事的看法
difficult to ascertain 难以确定
单词例句
It is difficult to ascertain what happened here.
这里发生的事情很难查明.
We must ascertain the usual customs of the local people.
我们必须了解当地人民的风俗习惯。
These certificates are used to ascertain the trustworthiness of the client system.
这些证书用于确定客户端系统是否可以信任。
The detective tried to ascertain the facts about the robbery.
侦探试图查明这起抢劫的真相。
The police are doing everything possible to ascertain his whereabouts.
警方正在尽全力查明他的下落。
Since 2000 the number of pets has rapidly increased in China so much so that it is almost impossible to ascertain the exact number of pets in the country.
Fast developments in software-driven vehicles with internet access are posing new challenges, for example traffic accidents that are difficult to ascertain the culprits.
"With the R&D center in Bangalore and now our participation at the 15th edition of the Auto Expo, we want to further ascertain the importance of India as the core strategic market," he said.
While it is yet to ascertain what kind of further measures will be taken, more details can be expected in the following two months.
Zhou echoed sentiments of some deputies attending the two sessions that financial products like bitcoin entered the market without prudential oversight, hence a thorough scrutiny is required to ascertain if they could be promoted further without jeopardizing the financial system.
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