在树木将叶绿素分解，以尽可能多地将其回收的时候，为什么我们还要保护叶绿素呢？
Why protect chlorophyll at a time when the tree is breaking it down to salvage as much of it as possible?
在多岩石的山坡上，有木制的小屋，而在树木繁茂的山谷里，有砖砌的城镇。
On rocky hillsides, there are wooden huts and in wooded valleys, there are towns of brick.
即使地上有雪，高而浓密的下层植被也显露出来；雪和风也会吹落雪松、铁杉、红桤木多叶的树枝和其他的树木草料。
Even with snow on the ground, the high bushy understory is exposed; also snow and wind bring down leafy branches of cedar, hemlock, red alder, and other arboreal fodder.
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