The ecology system will be broken if too many trees were felled.

过度砍伐树木会破坏生态系统.

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It is widely acknowledged that extensive deforestation contributed to heavy summer flooding.

人们普遍认为过度砍伐造成了夏季特大洪水.

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The rise in greenhouse gases is partially the result deforestation.

森林的过度砍伐是造成温室气体增加的部分原因.

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The bio - ecological environment was destroyed by over - felling.

过度砍伐把该地区的生态毁了.

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Over - exploited water resources, deforestation and inappropriate cultivation of grasslands have dried up lakes and eroded soil.

水资源被过度取用, 森林被过度砍伐,大草原被不当地耕作,已经造成湖泊干枯、水土流失.

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