| 单词 | keratin |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔exception〕Keratin is an exception to the rule.角蛋白是个特殊情况。外研社新世纪〔keratinize〕To convert (something) into keratin.使（某物）角质化美国传统〔keratinize〕To produce keratin or become like keratin.产生角蛋白或变得象角蛋白美国传统〔sebum〕The semifluid secretion of the sebaceous glands, consisting chiefly of fat, keratin, and cellular material.皮脂：皮脂腺的半液状分泌物，主要由脂肪、角蛋白和细胞质组成美国传统〔spongin〕A horny, sulfur-containing protein related to keratin that forms the skeletal structure of certain classes of sponges.海绵硬朊：一种坚硬的与角朊相关的含硫蛋白，形成海绵的基本结构美国传统 |
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