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头发和指甲所含的蛋白质。
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头发和指甲所含的蛋白质。；一种纤维状硬蛋白,存在于皮肤的外层和角质组织如头发、羽毛、指甲和蹄中；角蛋白；[化] 角蛋白
The protein of which hair and nails are composed.
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头发和指甲所含的蛋白质。
The protein of which hair and nails are composed.
一种纤维状硬蛋白,存在于皮肤的外层和角质组织如头发、羽毛、指甲和蹄中
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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页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.