这棚屋是用附近森林里的树木建造的。
The hut was constructed from trees that grew in the nearby forest.
水会停留在同一个地方供森林里的树木使用。
The water then stay in one place and is used by the trees in the forest.
70森林里的树木能够防止雨滴直接冲土壤，这样，土壤就不容易被冲走了。
The trees in the forests can keep rain drops from hitting the soil directly, so the soil is not easily washed away.
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