胚胎是从一个完美对称的单细胞开始的。

A new embryo starts as a single cell with perfect symmetry.

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平静的水面上风景的倒影几乎是完美的对称例子。

Reflections of the landscape in still water are an example of almost perfect symmetry.

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但是这个对称并不是一个十分完美的对称。

But this symmetry is not quite perfect symmetry.

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我感触到一片树叶的完美的对称性。

I feel the delicate symmetry of a leaf.

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我感触到一片树叶的完美的对称性。

I feel the delicate symmetry of a leaf.

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