青铜树英语作文说明文

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青铜树英语作文说明文

In our life, trees are important. They make streets more beautiful and less noisy. They can give a lot of help to people. Trees can used to make different things. They can also take in harmful gases and release oxygen into the air for people and other living things to breathe. Trees cool the air as well as clean it. They are natural air conditioners. However, trees are in great danger now. Some people are cutting more and more trees for money. So we should try our best to protect trees and plant more trees. Let’s act together at once!

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