柯林斯词典supinator /ˈsuːpɪˌneɪtə, ˈsjuː-/ 1. N the muscle of the forearm that can produce the motion of supination 旋后肌[anatomy] 返回 supinator剑桥词典a muscle in the front of the arm that is involved in turning the palms (= inside part ) of the hands upward 旋后肌 返回 supinator