劍橋詞典downward movement of the foot away from the leg 蹠曲,蹠屈 Plantarflexion is the movement used to press the accelerator pedal in a car . 蹠屈是開(kāi)車時(shí)腳踩油門時(shí)的動(dòng)作。 返回 plantarflexion