1. Nylon is made from coal , water and air.
    尼龙是用煤、水和空气制成的。

2. North of the equator about 61 percent of the surface is covered by water.
    赤道以北, 大约百分之六十一的表面为水所盖.

3. Notices forbidding the open-air drying of clothes, or the use of water points for car washing,
    禁止露天晒衣服、禁止用水龙头冲洗汽车的布告

4. Nature's holding area fills slowly with that clean, filtered water.
    大自然的蓄水区就会慢慢蓄满干净的过滤水。

5. Nature has a perfect system for recycling water.
    大自然拥有一套循环使用水的完美系统。

6. Nature has an unchanging amount of water.
    大自然里水的总量是不变的。

7. 3.Some furniture and carpets in your house were damaged by a leak (裂缝) in the water pipes.
    3.因为水管漏水，你房里的一些家具和地毯被损坏。

8. Now governments and businesses realise bad air and water pollution affect everyone, making it difficult for cities to survive and for businesses to make a profit.
    如今，政府和企业都认识到，受到污染的空气和水会危害每一个人，会使城市难以生存，公司无利可图。

9. Heat causes the conversion of water into steam.
    热使水变为蒸汽。

10. He waved desperately to his companion, who had been water- skiing for the last fifteen minutes.
    他拼命向他的同伴挥手，这个同伴在刚才十五分钟里一直在水上滑水撬。