在雨林中，很少有光透过树叶和树枝形成的树荫到达地面——或者接近地面——在这些高度上，黄色到绿色的波长占主导地位。
Very little light filters through the canopy of leaves and branches in a rain forest to reach ground level—or close to the ground—and at those levels the yellow-to-green wavelengths predominate.
从顶部看去，体育馆好像被灰色的钢网所罩住，看上去就像树枝形成的鸟巢。
Viewed from the top, it looks as if the stadium is covered by a gray net of steel, and it just like a bird's nest made of tree branches.
树枝锯掉之后最后会形成一种伤疤，这个叫什么？
What do you call it when the branches are sawed off and eventually there's a kind of a scar formed?
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