Read Edit View history 角蛋白 jiǎodànbái keratin Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 角蛋白 · jiǎodànbái · keratin 2026/03/04 角蛋白 jiǎodànbái keratin keratin (protein forming nails and feathers etc) 指甲和头发主要由角蛋白组成。 noun created sense Mar 4, 2026, 02:25 AM