单词：ascertains
音标：[ˌæsəˈteinz] ；
v. 弄清, 确定, 查明( ascertain的第三人称单数 )
v establish after a calculation, investigation, experiment, survey, or study
v be careful or certain to do something; make certain of something
v find out, learn, or determine with certainty, usually by making an inquiry or other effort
v learn or discover with certainty
v be careful or certain to do something; make certain of something
v find out, learn, or determine with certainty, usually by making an inquiry or other effort
v learn or discover with certainty
ascertain的用法和样例：
例句
用作及物动词(vt.)
- I ascertain that he was murdered.我确定他是被谋杀的。
- I ascertained the disease to be diphtheria.我确定该病为白喉。
- The detective was trying to ascertain exactly who was at the party.这个侦探试图查明都有谁参加了聚会。
- I'm going to ascertain the truth.我要查明真相。
- It's difficult to ascertain the coal deposits.煤储量很难探明。
- My purpose is to ascertain whether you are interested or not.我的目的是要弄清你是否感兴趣。
常见句型
用作动词(v.)
用作及物动词S+～+ n./pron.- I'm going to ascertain the truth.我要查明真相。
- The detective tried to ascertain the facts about the robbery.侦探试图查明这起抢劫案的真相。
- I am going to ascertain the truth of his statement.我将弄清他的话是否真实。
- The insurance adjustor had to ascertain the exact value of the missing jewels.这个保险金估算人必须核实这些丢失的珠宝的价值。 1
- The power needs of the ship must be ascertained.这艘船所需的动力必须弄清。
- The previously unidentified objects have now been definitely ascertained as being satellites.原来所说的不明飞行物现在已证实是卫星。
- I ascertained that he was dead.我确定他死了。
- He ascertained that the news was true.他确定消息属实。
- He had ascertained that his son-in-law was among the living prisoners.他已查明他女婿曾在活着的囚犯之中。
- I want to ascertain what time the train arrives, so that I may get to the station in time to meet my friend.我查清火车到达的时间,以便我准时到火车站去接我的朋友。
- It is difficult to ascertain what the people really want.问题在于一定要弄清人们究竟需要什么。
- Can you ascertain who the owner is?你能查明物主是谁吗?
- We could not ascertain how it happened.我们没能弄清它是怎样发生的。
词汇搭配
用作动词 (v.)
～+副词- ascertain accurately准确地查明
- ascertain dimly不是很确定
- ascertain distinctly清楚地查明
- ascertain instantaneously即刻弄清
- ascertain unhesitatingly毫不迟疑地确定
- ascertain vaguely没弄清楚
- ascertain from从…查明
经典引文
Who may perhaps..Be ascertained that Two and Two make four.
出自：Charles ChurchillI wish to be ascertained of the..intentions of the Court.
出自：G. Morris
【近义词】