pollute

v. 弄脏,污染
vt. 污染

The river has been polluted by waste products from the factory.

这条河已经受到工厂排放的废料的污染。

Many things pollute water, such as tires, trash, and plastic bags.

很多东西使水污染，例如轮胎、垃圾和塑胶袋。