on the rove

例句：

1. 1.The train was on the rovewhen it hit a bump in the road.
   火车在轨道上时，撞上了路上的一个坑。
2. 2. Thecar was on therove when it ran outof gas.
   汽车在轨道上时，没油了。
3. 3. The plane was onthe rove when it took off.
   飞机在轨道上起飞。