rail track

例句：

1. 1. The train was delayed due to the damaged rail track.
   由于损坏的铁轨，火车晚点了。
2. 2. The engineer inspected the rail track before starting the new project.
   工程师在开始新项目之前检查了铁轨。
3. 3. The construction of the new rail track will greatly improve transportation efficiency.
   新铁路线的建设将大大提高运输效率。