n.踏板；乐器的脚踏键
v.用脚踏动；踩踏板
He pushed hard on the brake pedal to avoid a collision. 他使劲踩下煞车踏板以避免撞车。
用作动词 (v.)He had to pedal hard to get up the hill. 他得用力踩动，以便上山。
I saw him pedal to school every morning. 我看到他每天早晨骑自行车上学。
The pilot has to pedal hard to get it into the air. 驾驶员不得不使劲踩踏板才能使它飞上天。
adj.两足动物的；两足的
vi.倒踏脚踏板；(拳击中）后退；食言
