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(单词翻译:双击或拖选)
Water
The world is not only hungry,but also is short of the water.This may sound strange for 70% of the surface of the use is covered by water.But 97% of this is sea water or soft water.Man can only use the other 3% fresh water that country rivers,lakes and from other ground and we can't ever use all of that because some of it isn't . What's worse, some of the fresh water has been polluted1.Our need of water is increasing rapidly2 day by day. So we should take the measures to solve the problem.
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1 polluted | |
adj.被污染的 | |
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2 rapidly | |
adv.快地,迅速地 | |
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