Together, they are a powerful team that has changed part of their village in North China's Hebei Province into a rich, green forest.
在一起,他们是一个强大的团队,把他们位于中国北部河北省的村庄变成了一片富饶的绿色森林。
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。
The map above shows forest canopy height for the United States in shades of green.
上面的地图通过绿色阴影的深浅标示出美国森林的树冠高度。
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