一种叶子形状；圆形，其茎依附在较低表面的中心附近而非边缘，比如旱金莲花叶等等。
Of a leaf shape; round with the stem attached near the center of the lower surface rather than the margin as a nasturtium leaf e. g...
基因是一种生命编码。树的基因决定了树木叶子的形状是什么样的。而你的基因决定了你的眼睛的颜色。
Genes are a kind of code. a tree 's genes tell what shape its leaves will be. your genes tell what color your eyes will be.
可是，有一天他见到一种花，形状像茶花，叶子一张一合的。
But one day, he saw a flower which looks like the camellia, and its leaves moved in regular.
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