pedal-rod

例句：

1. 1. The car's pedal-rod is worn out.
   汽车的踏板杆磨损了。
2. 2. He used the pedal-rod to adjust the speed of the car.
   他用踏板杆来调整汽车的速度。
3. 3. The engineer adjusted the pedal-rod to make the car go faster.
   工程师调整了踏板杆使汽车跑得更快。