driving axle

例句：

1. 1. The car's driving axle is worn out.
   这辆车的驱动轴磨损了。
2. 2. The old truck had a damaged driving axle.
   那辆旧卡车有一个损坏的驱动轴。
3. 3. The engineer checked the driving axle for any signs of wear.
   工程师检查了驱动轴，看看是否有磨损的迹象。