railroad spur

例句：

1. 1. The railroad spur connects the city to the nearby town.
   这条铁路支线将城市与附近的城镇连接起来。
2. 2. The engineer used a railway spur to bypass the construction site.
   工程师使用一条铁路支线绕过了施工场地。
3. 3.The railway spur was built to facilitate transportation between the two cities.
   这条铁路支线是为了促进两个城市之间的交通而建设的。