brakestaff

例句：

1. 1. The mechanic was fixing the brakes on the car.
   那个机械师正在修理汽车的刹车。
2. 2. The policeman used his brakestaff to stop the traffic.
   警察用他的制动杆来阻止交通。
3. 3.The driver had to use his brakestaff to avoid hitting a pedestrian.
   司机不得不使用他的制动杆以避免撞到一个行人。