车轴

例句：

1. 1. The car's axle broke during the accident.
   事故中汽车的车轴断了。
2. 2. The engineer checked the axle for wear and tear.
   工程师检查了车轴的磨损情况。
3. 3. The old car had a worn-out axle that needed to be replaced.
   这辆旧车的车轴磨损严重，需要更换。