[优秀大学生的英语英语作文双语]如何定义幸福 How to Define HappinessWhen I was small, my parents always told me that I must study hard, so that I would make a lot of money and could live a ha...+阅读

Today, pollution has become a serious problem to us. It means that

the air, seas, rivers and land are polluted by waste or poisonous

things. It does harm not only to human beings but also to animals (It

does harm to animals, as well as human beings.)。

We cannot have fresh air because many factories have the poisonous

smoke sent into the air. Beautiful parks are made dirty by plastic tins

and bags. Fish die from the polluted water. It is said that strange

diseases have appeared in some places because of pollution.

I hope scientists can find ways to solve the serious problem. We are

looking forward to seeing the clear sky, clean rivers and beautiful

parks again.

其实类似的环境污染英语材料网上有很多的，你也可以找一些文章是关于环境污染的，介绍的应该更详细的

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