Read Edit View history 组氨酸 zǔ'ānsuān histidine Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 组氨酸/組氨酸 · zǔ'ānsuān · histidine 2026/03/04 组氨酸 / 組氨酸 zǔ'ānsuān histidine histidine (His), an essential amino acid 组氨酸是人体必需的一种氨基酸。 noun created sense Mar 4, 2026, 02:25 AM