我们必须保护森林木材，停止滥伐。
为保证未来木材的供应，我们必须保护森林。
We must conserve our forests if we are to make sure of a future supply of wood.
我们不应该杀野生动物，我们必须保护森林，因为他们是动物的家。
We shouldn't kill wild animals, and we must protect forests because they are animals' home.
为了保护森林，我们必须种树并且停止砍伐。
In order to protect forests, we must plant trees and stop cutting forests down.
我们必须考虑为保护森林及遏制其迅速退化设定一个明确的时间框架。
We must consider setting an explicit time frame for protecting forests and halting their rapid degradation.
所以我们中的每一个人都必须爱护树木，保护森林，并且保持每年在植树。
So every one of us must love trees, protect forests, and keep on planting trees each year.
我们必须为子孙后代保护森林。
We must conserve our forests and woodlands for future generations.
我们必须为子孙后代保护森林。
We must conserve our forests and woodlands for future generations.
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