They are losing their living areas because people cut down forests.

由于人们砍伐森林，它们正在失去栖息地。

youdao

Wolves are in danger because people cut down forests.

因为人们砍伐森林，狼正处于危险中。

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When you grow crops and pasture your animals, one of the things you do is you cut down the forests.

当你种植农作物、喂养牲口时，你要做的其中一件事就是砍伐森林。

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In the nineteen fifties, forests were cut down for wood and other products.

VOA: special.2010.04.13

For example, why do poor humans in places like Africa and Latin America cut down forests?

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Even as people gasp for air in Moscow, Russia's authorities have begun to cut down the forests that surround the city, ostensibly to make space for a badly needed road from Moscow to St Petersburg.

ECONOMIST: A potent mix of heat, haze, alcohol and corruption

But one-fifth of all greenhouse gases comes from forests that are cut down and burned to make way for crops or pasture.

NPR: Paying Developing Countries Not to Burn Forests