当水落在叶子上时，为什么呈圆形？ 小马干后为什么叶子仍然干？

in hive-180932 •  5 years ago 

卡楚叶顶部的皮肤上有一种叫做蜡的涂层。 在孟加拉语中，它称为蜡或石油。 基本上，这种蜡的涂层或层不会导致水落在叶子上。
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hive-180932
5 years ago by

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