他们砍伐树木并使用杀死帝王蝶毛毛虫食用植物的化学品。

They cut down trees and use chemicals that kill the plants that monarch caterpillars eat.

我们砍伐树木去建房、制作家具以及造纸。森林中的很多动物因为失去住所和食物而死亡。我们应当停止砍伐森林。

We cut down trees to make houses, furniture and paper. Many animals in forests die because they lose their homes and food. We must stop cutting down forests.

我们砍伐树木，污染水，发送额外的碳和磷向空中和海洋，我们打破食物链，我们杀死其他动物只是为了自我的享受。

We cut down trees, pollute the water, sending extra carbon and phosphorus into the air and the ocean;

我们怎样解决这个问题呢?答案就是，我们必须控制增长的速度，禁止大家砍伐树木和倒废水流入河流等等。

How can we solve this problem?The answer is that we must control the speed of growing people, forbid everyone to cut down trees and pour waste water into rivers and so on.

据报道，由于砍伐树木，野生动物的生存空间正在减少。

It is reported that living spaces for wildlife are being reduced due to the cutting of trees.

工人们正在森林里砍伐树木。

The workers are felling trees in the forest.

砍伐树木会危及许多物种的栖息地。

Cutting down trees can endanger the habitat of many species.

我们需要停止砍伐树木来保护环境。

We need to stop cutting down trees to protect the environment.

有些人砍伐树木盖房子。

Some cleared the ground of trees and cut them into wood for houses.

砍伐树木以得到木材的工作。

The work of cutting down trees for timber.