VOA慢速英语:Integrated Pest Management Can Increase Crop Production

例句：Our teacher gave us a lot of helpful books in maths.
      我们老师给了我们许多数学上有帮助的书。

2.identify vt.认出, 识别

例句：Would you be able to identify the man who robbed you?
      你能够认出那个抢你东西的人吗?

3.rotate v.(使某人或某物)轮流[按顺序循环]

例句：The post of chairman rotates among members of the committee.
      主席一职由委员会的成员轮流担任。

4.endlessly adv.无穷地;继续地;永久地

例句：arguing endlessly about money
      为钱财问题无休止地争吵

5.modify vt.vi.修改, 更改

例句：The industrial revolution modified the whole structure of English society.
      工业革命改变了整个英国社会的结构。