airbrake

例句：

1. 1. The train's air brakes were activated just before the collision.
   火车在碰撞前激活了空气制动器。
2. 2.The engineer had to manually adjust the air brakes on the car.
   工程师不得不手动调整汽车的空气制动器。
3. 3.The pilot used the air brakes to slow down the aircraft during landing.
   飞行员使用空气制动器来减缓飞机的降落速度。