松果体素 sōngguǒtǐsù melatonin Definitions Defs Origin Strokes Stroke Words Sentences Sents 松果体素 松果體素 sōngguǒtǐsù melatonin a hormone produced by the pineal gland that regulates sleep-wake cycles Cross-References Synonym 褪黑激素 tuìhēijīsù
松果体素 松果體素 sōngguǒtǐsù melatonin a hormone produced by the pineal gland that regulates sleep-wake cycles Cross-References Synonym 褪黑激素 tuìhēijīsù
