on the rails

例句：

1. 1. The train was moving along the tracks at a steady pace.
   火车正沿着轨道以稳定的速度行驶。
2. 2. The car was parked on the tracks, blocking traffic.
   汽车停在了轨道上，阻碍了交通。
3. 3. The team followed the coach's instructions to stay on the tracks during the race.
   团队在比赛中遵循教练的指示，保持沿轨道行驶。