劍橋詞典a part of a machine that, when operated by the foot , gives the power to turn a wheel in the machine （帶動(dòng)機(jī)器中輪子轉(zhuǎn)動(dòng)的）踏板 My grandmother still uses her old treadle sewing machine . 我嬭嬭仍然用著她那臺(tái)老掉牙的腳踏縫紉機(jī)。 返回 treadle