airbag

剑桥词典

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
（汽车）安全气囊
In the event of a collision , the airbag stops the driver of the car from hitting his or her chest on the steering wheel . 如果发生碰撞事故，安全气囊会防止司机的胸部撞到方向盘上。 返回 airbag