当植物吸收光进行光合作用时，它只吸收某些波长的光，并反射其他波长的光。
When a plant absorbs light for performing photosynthesis, it only absorbs some wavelengths of light and reflects others.
顶部的植物会吸收大部分的红光进行光合作用，但反射大部分的远红光。
The plant on top would absorb most of the red light for photosynthesis, but reflect most of the far-red light.
控制光合作用的叶绿素呈现绿色也是有原因的——它反射了绿光，与太阳的光谱保持一致，这样它才能最有效地吸收阳光。
It is tuned to the spectrum of the sun in order to absorbsunlight in the most efficient way possible. The reflected green is the lightit rejects.
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