Airbags inflate instantaneously on impact to form a cushion between the driver and the steering column.
安全气囊在碰撞时立刻膨胀，在司机和方向盘之间形成一个缓冲。
《柯林斯英汉双解大词典》
2
Airbags protect the driver in the event of a severe frontal impact.
汽车若遇到正面猛烈撞击，安全气囊可以保护驾车者。
《牛津词典》
3
While owning a motorcar might be convenient for the driver and his passengers, we also have to consider the environmental impact of this type of transportation.