emergency brake

• 车辆上的机械安全装置，通常为手拉杆或脚踏板，用于紧急情况下使车辆停下，或在停车时使车辆保持不动。

A mechanical safety device in a vehicle, typically a hand-operated lever or foot pedal, used to stop the vehicle in an emergency or to hold it stationary when parked.

1. Vehicle safety deviceB1formal

   A secondary brake in a vehicle used to stop it quickly in an emergency or to hold it stationary when parked.

   紧急制动

   • He pulled the emergency brake when the car started rolling backward.
   • Always engage the emergency brake before leaving the car.
   • The driver used the emergency brake to avoid a collision.

2. Emergency stop mechanismB1formal

   A lever or button in trains, buses, or other vehicles that passengers can use to stop the vehicle in an emergency.

   紧急制动

   • A passenger pulled the emergency brake on the train because someone was stuck in the door.
   • The emergency brake is clearly marked in red.
   • Do not use the emergency brake unless it is a real emergency.