Heavy industry pollutes our rivers with noxious chemicals.重工业产生的有毒化学品会污染我们的河流。

A number of beaches have been polluted by sewage pumped into the sea.有一些海滩被排入海中的污水污染了。

She claims that violent films are polluting the minds of our children.她声称暴力电影正在腐蚀我们孩子的心灵。