axle hung motor

例句：

1. 1. The car's axle broke, and it won't start.
   车的轴断了，发动不了。
2. 2. The old tree had such a strong axle that it could support the weight of a small house.
   这棵老树的轴非常坚固，可以支撑一个小房子的重量。
3. 3. He used to drive a tractor with an axle made of wood.
   他过去常驾驶一辆用木头制成的车轴的拖拉机。