VOA慢速英语:The Limits to Organic Farming in Feeding the World

1. avoid vt. 避开,躲开
例句：I avoided him as much as possible.
我尽量避开他。

2. conventional adj. 习惯的,惯例的
例句："Good morning" is a conventional greeting.
"早安"是习用的招呼语。

3. deforestation n. 砍伐森林
例句：The deforestation dilemma still cries for more commitment,clarity, and vision. 
毁林的后果迫切需要更多的资助、清醒的头脑和真知灼见。 

4. combine vt. 使结合;使联合
例句：Some films combine education with recreation.
有些电影把教育与娱乐结合起来。

5. compare vt.  比较,对照
例句：Compared with him, I am a bungler.
与他相比,我只能算是一个笨拙的人。

6. reduce vt. 减少;缩小
例句：He is trying to reduce expenses.
他正试图减少开支。

7. fertilize vt. 使肥沃;施肥
例句：They hauled feedlot manure from the ranches to fertilizetheir fields. 
他们从牧场的饲养场拖走肥料去肥田。 

8. require vt. 需要
例句：The roof requires repairing.
屋顶需要修理了。