keratin
英
['kerətɪn]
美
['kerətɪn]
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Noun:
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a fibrous scleroprotein that occurs in the outer layer of the skin and in horny tissues such as hair, feathers, nails, and hooves
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用作名词 (n.)
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Keratin is the major protein in hair and nails.
角蛋白是毛发和指甲中的主要蛋白质。
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