The rich, green canopy is teeming with life, and forest researchers have developed ingenious methods for accessing this mysterious ecosystem.
富饶的绿树冠上充满了生命，森林研究人员已经研究出了进入这个神秘生态系统的巧妙方法。
Our relationship with trees goes back to our evolutionary roots-way back to when our ancestors thrived in the green canopy above.
人类与树的关系可以追溯到我们进化的源头去——那时候我们的祖先还生活在绿树形成的天棚上。
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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