ramp brake

例句：

1. 1. Thecar was stopped at the ramp brake towait for the traffic light.
   汽车在坡道刹车处停下等待交通灯。
2. 2. Thedriver had to use the ramp brake toslow down the vehicle.
   司机不得不使用坡道刹车来减缓车辆的速度。
3. 3. The rampbrake is a crucial safety feature on manyhighways.
   许多高速公路上都有坡道刹车这一重要的安全设施。