时间:2018-12-30 作者:英语课 分类:漫画搞定六级词汇(文本+音频)


英语课


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certain adj. 确定的,某一个,无疑的,必然的,可靠的

例句:For certain reasons I will be unable to attend the meeting.

因为某种原因,我不能出席这次会议。



certainly adv. 的确,(口语)当然,行

例句:You certainly did well today.

你今天做得不错。



certainty n. 确定,确实的事情

例句:I can’t say with certainty what project they arc engaged in.

我无法肯定他们在进行什么项目。



ascertain 1 vt. 确定,探知

例句:My purpose is to ascertain whether you are interested or not.

我的目的是要确定你是否感兴趣。



uncertain adj. 无常的,不确定的,不可预测的,靠不住的

例句:I am still uncertain whether Henry will come today.

我仍不能肯定亨利今天是否会来。



vt.发现,确定,查明,弄清
  • It's difficult to ascertain the coal deposits.煤储量很难探明。
  • We must ascertain the responsibility in light of different situtations.我们必须根据不同情况判定责任。