不管毛发是用来做什么的，也不管它在人体的哪个部位，它都主要由一种叫做角蛋白的蛋白质组成。

Now hair, whatever it is for and wherever it is on the human body, is composed mainly of a protein called keratin.

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研究并分析了蛋膜中角蛋白的提取方法。

To study and analyze the extraction of keratin from egg-shell membrane.

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我们的头发是由一种称为角蛋白的蛋白质。

Our hair is made of a type of protein called keratin.

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