railroad

/ˈreɪˌlroʊd/

line that is the commercial organization responsible for operating a system of transportation for trains that pull passengers or freight

中文释义：铁路公司；铁路系统

The railroad announced a new high-speed line connecting the two cities.

这家铁路公司宣布了一条连接两座城市的新高速线路。

Many workers lost their jobs when the railroad went bankrupt.

当这家铁路公司破产时，许多工人失业了。