英语词汇“keratin”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	keratin
释义	Word Frequency keratin (ˈkɛrətɪn) or ceratin noun a fibrous protein that occurs in the outer layer of the skin and in hair, nails, feathers, hooves, etc
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