甲状腺素 jiǎzhuàngxiànsù thyroxine Definitions Defs Origin Strokes Stroke Words Sentences Sents 甲状腺 甲狀腺 jiǎzhuàngxiàn thyroid gland An endocrine gland located at the front of the neck that secretes hormones to regulate metabolism and growth.素 sù noun element (bound form) essential part; element; constituent; basic nature
