rail track

• 轨道,铁路线路

rail track的用法和样例：

例句

1. Our pilotless rocket enters the track of the earth.
   我们把一个无人驾驶的火箭送入了地球的轨道里。
2. The new rail is is being loaded onto the track bed.
   轨道路基上正在装新的铁轨。