airbag

劍橋詞典

a bag in a vehicle that automatically fills with air if the vehicle is involved in an accident , in order to protect the driver or a passenger from injury
（汽車）安全氣囊
In the event of a collision , the airbag stops the driver of the car from hitting his or her chest on the steering wheel . 如果發(fā)生碰撞事故，安全氣囊會防止司機的胸部撞到方向盤上。 返回 airbag