The acid rain is destroying the primitive tropical forests.
酸雨正在毁坏原始热带雨林。
So the protection of tropical forests is absolutely essential.
所以，热带森林的保护是十分必须的。
Cutting down trees could be the best way to preserve tropical forests.
伐木可能是保护热带森林的上上之策。
Cutting down trees could be the best way to preserve tropical forests.
伐木可能是保护热带森林的上上之策。
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