VOA慢速英语:Changing Gene in Plant Could Yield More Crops

 词汇讲解：

1. produce vt. 生产;产生;引起
例句：Hard work and enthusiasm can produce success.
努力工作及热忱会导致成功。

2. create vt.创造，创作
例句：Designers should create design solutions that are:
设计师应当创作这样的解决方案。

3. increase vt. 增加，增大
例句：He exhorted his workers to increase production.
他力劝自己的工人增加生产。

4. exhauste adj.耗尽的;用完的;筋疲力尽的
例句：The climb will exhaust the boys.
爬山会使孩子们疲惫不堪。

5. perform vt. 执行;履行
例句：They always perform their duties faithfully.
他们总是忠实地履行自己的职责。