List 88 单词饕餮餐 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 cant say with certainty what project they arc engaged in. 我无法肯定他们在进行什么项目。 ascertain 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。 |