1、 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.
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。
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