Read Edit View history 甲壳素 jiǎqiàosù chitin Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 甲壳素/甲殼素 · jiǎqiàosù · chitin 2026/03/04 甲壳素 / 甲殼素 jiǎqiàosù chitin chitin 甲壳素是一种广泛存在于虾、蟹等甲壳类动物外壳中的天然聚合物。 created sense Mar 4, 2026, 02:25 AM