Read Edit View history 褪黑素 tuìhēisù melatonin Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 褪黑素 · tuìhēisù · melatonin 2026/03/04 褪黑素 tuìhēisù melatonin (biochemistry) melatonin 很多人通过服用褪黑素来改善睡眠质量。 noun created sense Mar 4, 2026, 02:25 AM