来复线

例句：

1. 1. The new railway line is expected to connect several cities in the region.
   这条新的铁路线预计将连接该地区的几个城市。
2. 2. The engineers are working on designing a new route for the railway line.
   工程师们正在为铁路线设计一条新路线。
3. 3. The construction of this railway line has been delayed due to weather conditions.
   由于天气条件，这条铁路线的建设已经推迟了。