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英语翻译Trees are useful to us in three very important ways.They

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英语翻译
Trees are useful to us in three very important ways.They keep us cool,and protect soil,and also give us wood.
But in many parts of the world,people haven't understood that trees are very important.They cut them down in very large numbers,but they are not careful enough to plant and look after new treea,so forests slowly disappear.
This does't only mean that there will be fewer trees,the results are even worse.When there are no trees,rain falls on the ground and carries away the rich topsoil in which crops grow.When all the topsoil is gone ,there is nothing left but desert.
英语翻译Trees are useful to us in three very important ways.They
树木在三个方面对我们非常有用,树木能使我们凉爽(在夏天),能保护土壤,也能给我们木材.但是在世界上许多地方,人们却不知道树木对我们来说是那么的重要,他们大量的砍伐树木,但是他们却不够关心种植和照看新的树苗,因为这样,森林在慢慢的消失.这不仅仅意味着还剩下一点点的树木,还有更坏的结果.当没有树木的时候,雨水落下,冲走能够种植庄稼的肥沃土壤.当肥沃的土壤都消失的时候,剩下的仅仅是荒漠.