慢速英语:A UN Warning About Chemical Dangers

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

2. disability n. 残疾,残障
例句：Blindness is a very serious disability.
失明是非常严重的残疾。

3. estimate vt. 估计,估量
例句：The police estimated the number of demonstrators at about 5,000.
警方估计示威者的人数为五千左右。

4. increase vt. 增大;增加;增强
例句：Travel increases one's knowledge of the world.
旅游增进人对世界的了解。

5. exposure n. 揭露,揭发
例句：The newspaper's exposure of their crimes led to their arrest.
报上揭露了他们的罪行,这些人因而被捕。

6. develop vt. 使成长;使发达;发展
例句: Swimming develops the muscles.
游泳能使肌肉发达