But first, we must find weapons to protect ourselves. My weapon is this Double-edged sword!

不过首先，我们要先找到武器来保护自己，我的武器是这把。

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This membrane serves to separate and protect a cell from its surrounding environment and is made mostly from a double layer of proteins and lipids, fat-like molecules.

这层膜的大部分是由一个蛋白质，油脂和类脂分子的双分子层构成的。这层膜的内部是多种其它的作为道路和泵的分子将不同的分子运输到细胞内外。

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