aerodynamic brake

例句：

1. 1. The new car has an aerodynamic brake that can slow down quickly.
   这款新车有一个空气动力学刹车系统，可以迅速减速。
2. 2. The aerodynamic brake is designed to reduce the drag on the car during acceleration.
   空气动力学刹车设计用于在加速过程中减少汽车的阻力。
3. 3.In order to improve fuel efficiency, engineers are working on developing aerodynamic brakes for cars.
   为了提高燃油效率，工程师们正在努力为汽车开发空气动力学刹车。