brake surface

例句：

1. 1.The brake surface of the car is worn out, which affects its performance.
   汽车的刹车表面磨损了，这影响了它的性能。
2. 2.The brake surface needs to be regularly checked and maintained to ensure safety.
   刹车表面需要定期检查和维护，以确保安全。
3. 3. The brake surface was scratched by a stone during the accident, causing it to deform.
   刹车表面在事故中被石头刮伤，导致它变形。