轱辘

例句：

1. 1. The old car had a worn-out wheel.
   这辆旧车有一个磨损的轮子。
2. 2. He replaced the broken axle of his bicycle.
   他更换了自行车损坏的车轴。
3. 3. The car's wheel was damaged during the accident.
   汽车在事故中损坏了轮子。