autumn shoot leaves 秋梢叶片
The leaves fall in autumn 秋天树叶凋落
leaves tinted in autumn colours 秋色点染的树叶
Autumn leaves begin to turn brown.
秋天的落叶开始变成褐色。
It sounds paradoxical, because the idea behind this hypothesis is that the red pigment is made in autumn leaves to protect chlorophyll, the light-absorbing chemical, from too much light.
这听起来很矛盾，因为这一假设背后的理念是，树叶在秋天产生的红色素是用于保护叶绿素这种吸收光的化学物质，以免它吸收过多的光。
She likes to kick the autumn leaves.
她喜欢用脚踢秋叶。
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