ascertain中文什么意思

vt.
1.确定，查明，弄清。
2.〔罕用语〕确定，把…弄实在。
短语和例子
+更多解释...ascertain what really happened 查明究竟发生了什么事。adj.
-able
可确定的；可查明的。n.
-ment
确定；查明；探知。

• ascertain instantaneously:    立即查明
• ascertain loss:    确定损失
• ascertain that there is a quorum:    检查是否以足法定人数

例句与用法

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1. It has been difficult to ascertain the correct source of origin .
   要查实材料的正确起源很困难。
2. It is difficult to ascertain the exact duration of protection .
   要弄清确切的予防有效期并不容易。
3. We must ascertain the responsibility in light of different situations .
   我们必须根据不同情况判定责任。
4. The court must therefore ascertain the "proper law" of the contract .
   因此，法院务必查明该契约的“准据法”。
5. The pathway of ddt degradation in soil has not been fully ascertained .
   在土壤中滴滴涕降解的途径还没有充分调查。

英文释义

动词

1. be careful or certain to do something; make certain of something; "He verified that the valves were closed"; "See that the curtains are closed"; "control the quality of the product"
   同义词：see, check, insure, see to it, ensure, control, assure
2. learn or discover with certainty
3. establish after a calculation, investigation, experiment, survey, or study; "find the product of two numbers"; "The physicist who found the elusive particle won the Nobel Prize"
   同义词：determine, find, find out
4. find out, learn, or determine with certainty, usually by making an inquiry or other effort; "I want to see whether she speaks French"; "See whether it works"; "find out if he speaks Russian"; "Check whether the train leaves on time"
   同义词：determine, check, find out, see, watch, learn