柯林斯詞典agonist /??ɡ?n?st/ 1. N any muscle that is opposed in action by another muscle 主動(dòng)肌 返回 agonist劍橋詞典 agonist noun [C] (MUSCLE) anatomy a muscle that moves a part of the body by contracting (= becoming shorter ) 主動(dòng)肌，主縮肌 比較antagonist (MUSCLE) 返回 agonist