v. 污染；玷污（pollute 的 ing 形式）
1.Now we must stop wasting or polluting the water.
此时我们务必停止浪费或污染水。
2.Because people are polluting the air, water and land.
因为人们污染空气、水和陆地。
3.It was a river that gave abundantly, but man was polluting it.
这是一条慷慨给予的河流，但是人类在污染它。
4.We are polluting the air.
我们正在污染空气。
5.People are polluting the land, the water and the air.
人们正污染土地，水和空气。
6.Man has been polluting the earth.
人类一直在污染地球。
7.Man must stop polluting the earth's atmosphere.
人类必须停止污染地球的大气层。
8.Our tests are not polluting the atmosphere.
我们的试验并不沾污大气层。