EPISODE · Oct 3, 2019 · 4 MIN
【Day1843】绘本故事《为什么树叶会变色》
from 高个子叔叔 · host 高个子叔叔
秋天一到，树叶变成了各种各样的颜色。枫树叶变成了红色，橡树叶变成了褐色，树叶变成了黄色……树叶为什么会变色？原来啊，这跟树叶里的叶绿素和其他色素有关。 本书用通俗的语言讲解了树叶变色的原理，初步介绍光合作用等知识。
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【Day1843】绘本故事《为什么树叶会变色》
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