【词汇讲解】

1.concentrate on 集中于，专心于

如：It's too hot to concentrate on book.
热得不能集中心思看书。

Having failed my French exams, I decided to concentrate on science subjects.
我因法语考试不及格而决心专攻理科。

I can't concentrate on my work when I'm tired.
我累了就无法集中精力工作。

2.investigator n. 调查者，研究者，审查者

如：Investigator is searching the wreckage of the plane to try and find the cause of the tragedy.
调查人员在飞机残骸中搜索，希望找出造成这一悲惨事件的原因。

The investigator will be divided into three groups.
所有的调查员将被分为三个小组。

3.stunningly adv. 惊人地，令人目瞪口呆地
4.obsession n. 困扰，沉迷，着魔，妄想

如：Caused or conditioned by compulsion or obsession.
强迫的由强迫或压制所引起或制约的

Her commitment to a great cause degenerated from a crusade into an obsession.
她致力於一伟大事业，但其崇高的奋斗精神已变质成为偏执的狂热。

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