ascertain
ascertain是什么意思,
ascertain怎么讀 
 語(yǔ)音:
              英音 
                            [??s?'te?n] 
            
            
                
            
                              美音             [??s??ten] 
            
            
                
            
vt. 弄清,確定,查明
ascertain是一個(gè)英語(yǔ)單詞,作及物動(dòng)詞意思是“確定;查明;弄清”。短語(yǔ)搭配:ascertain the truth 查明真相。
【記】as(to)+cert(確定)+ain(動(dòng)詞詞尾)
第三人稱單數(shù): ascertains
過(guò)去式: ascertained
過(guò)去分詞: ascertained
現(xiàn)在分詞: ascertaining
ascertain 確認(rèn)
                            as-同ad-. certain, 確定。
用作及物動(dòng)詞(vt.)
- I ascertain that he was murdered.
我確定他是被謀殺的。 - I ascertained the disease to be diphtheria.
我確定該病為白喉。 - The detective was trying to ascertain exactly who was at the party.
這個(gè)偵探試圖查明都有誰(shuí)參加了聚會(huì)。 - I'm going to ascertain the truth.
我要查明真相。 - It's difficult to ascertain the coal deposits.
煤儲(chǔ)量很難探明。 - My purpose is to ascertain whether you are interested or not.
我的目的是要弄清你是否感興趣。 
1. ascertain the facts: 查明事實(shí)真相
2. ascertain the cause: 查明原因
3. ascertain the truth: 查明真相
4. ascertain one's intentions: 弄清某人的意圖
5. ascertain the situation: 查明情況
6. ascertain the reliability of a source: 查明消息來(lái)源的可信度
7. ascertain the value of something: 查明某物的價(jià)值
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