keratin /'kerәtin/ 📖 中文释义 n. 角蛋白[化] 角蛋白 📘 English Definition（英文释义） n. a fibrous scleroprotein that occurs in the outer layer of the skin and in horny tissues such as hair, feathers, nails, and hooves ← keratic precipitates K 字母词表 keratin fiber →