n. 叶绿素
网络 叶绿素a; 绿素石; 总叶绿素
Why does chlorophyll need protection when it is the natural world´s supreme light absorber?
为什么叶绿素是自然界最高等的光吸收体,却需要保护?
It´s colder there, they´re more stressed, their chlorophyll is more sensitive and it needs more sunblock.
那里更冷,它们受到更大压力,它们的叶绿素更敏感,并且需要更多的避光措施。
Why protect chlorophyll at a time when the tree is breaking it down to salvage as much of it as possible?
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?
As chlorophyll is depleted, other colours that have been dominated by it throughout the summer begin to be revealed.
当叶绿素耗尽时,在整个夏季被它主导的其他颜色开始显现。
Before letting its leaves go, the tree dismantles their chlorophyll molecules and ships their valuable nitrogen back into the twigs.
在树叶凋落之前,树会分解叶绿素分子,把有用的氮运回树枝中。