front stop pin

例句：

1. 1. The car's front bumper is damaged.
   这辆车的前保险杠受损了。
2. 2. The mechanic fixed the front bumper pin with new parts.
   技师用新的零件更换了前保险杠销子。
3. 3.The driver had to remove the front bumper pin before starting the engine.
   在启动引擎之前，司机不得不移除前保险杠销子。