柯林斯词典rotator /rəʊˈteɪtə/ 1. N a person, device, or part that rotates or causes rotation 旋转者; 使旋转的人或物件 返回 rotator剑桥词典a muscle that helps to turn a part of the body 回旋肌，旋转肌 a rotator cuff injury 肩旋肌受伤 返回 rotator