和谐英语

VOA慢速英语:Fish Production Needs Double to Meet Growing Global Demand

2014-08-05来源:VOA


词汇讲解:

1. produce vt. 生产; 产生
例句:Will the ocean produce less oxygen?
海洋会排放出更少的氧气么?

2. operate vt. 运转; 操作
例句:You operate it from your couch.
你用遥控器操作它。

3. profitable adj.有利可图的,有益的
例句:The business was tremendously profitable.
这种生意实在是有利可图。

4. harmful adj.对…有害的; 能造成损害的
例句:Freezing winter is harmful to orange trees. 
冰冻天气对桔子树是有害的。 

5. improvement n.改进,改善
例句:Despite all the improvement, rubber still has a number of bad outs. 
虽然橡胶已有许多改进,但它仍有许多缺点。