其实自己查下辞典,看看例句也就懂了.
;;;assume;;;
1.以为;假定为;(想当然地)认为 (+that)
I assumed that he had gone for a stroll.
我想他去散步了.
2.承担;就任;取得
The prince assumed power when he was only fifteen.
王子在十五岁时就掌权了.
3.呈现;采取;采用
His illness assumed a very grave character.
他的病显得非常的严重.
4.把...视为己有,僭取,夺取
5.装出,假装
He assumed a look of surprise.
他装出吃惊的神色.
;;;adopt;;;
1.采取;采纳;吸收
After much deliberation,the president decided to adopt her suggestion.
总经理再三考虑之后,决定采纳她的建议.
2.过继,收养 (+as)
Mr.Kern adopted the orphan as his own son.
克恩先生将那孤儿收养为自己的儿子.
3.挑选...为候选人 (+as)
4.正式通过,接受
The agenda was adopted after some discussion.
经过讨论,议事日程获得通过.
;;;undertake;;;
1.试图;着手做;进行,从事
We undertook a trip to the west.
我们到西部作了一次旅行.
2.承担,接受
The work was undertaken by members of the committee.
此项工作由委员会成员承担.
3.同意;答应;保证 [+to-v][+that]
I can not undertake that you will make a profit.
我不能担保你会获利.