基本解释甲狀腺激素（thyroid hormone 的縮寫）。同根派生 Th相关词英英字典劍橋英英字典 written abbreviation for thyroid hormone: one of two hormones, T3 and T4, that are produced by the thyroid gland and are important for controlling the metabolic rate (= the speed of chemical processes in the body)Th剑桥字典Th柯林斯字典