All of us will struggle fairly hard to survive if we are in danger.
我们所有人如果遇到危险都会竭力挣扎着活下来。
Trees provide food, water and shelter for people, plants and animals and without them the diverse ecosystems we all need to survive will collapse.
树木为人类和动植物提供食物、水分和庇护，失去它们，我们赖以为生的多样生态系统将会崩溃。
They should remember that if we destroy all the trees, then we will not survive.
他们应该记住，如果我们销毁所有的树，那么我们将无法生存。
In this lesson, we will look at something, it seems we all need in which to survive.
本节课，我们将涉及一些东西，意味着我们需要它而生存。
In this lesson, we will look at something, it seems we all need in which to survive.
本节课，我们将涉及一些东西，意味着我们需要它而生存。
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