无轨电车线

例句：

1. 1. The train tracks were damaged during the accident.
   火车轨道在事故中受损。
2. 2. They used to travel along the same tracks every day.
   他们过去每天沿着相同的轨道旅行。
3. 3. The new subway line will connect two major cities.
   新的地铁线路将连接两个主要城市。