伸指肌 extensor muscle of index finger: 食指固有伸肌; 食指伸肌extensor muscle of lesser finger: 小指伸肌extensor muscle of little finger: 小指伸肌extensor muscle: 伸肌; 伸展肌extensor tendon injury of finger: 指伸肌腱损伤下载手机词典可随时随地查词查翻译