铁路线

railroad lines───铁路线

railroading───n.铁路建设；仓促行事；v.由铁路运输；乘火车旅行（railroad的ing形式）

railway line───铁路线；轨道线

load line───n.（船舶的）载重线

railroad car───有轨电车

railroad cars───有轨电车

railroad flat───铁路平房

railroad worm───铁路蠕虫

railway lines───铁路线；轨道线

It was founded in 837 at the end of the railroad line as Terminus and renamed Atlanta in 845.───建于837年铁路线终端的边界，并于845年改叫亚特兰大。

Steam railroads had just emerged and the terms used to describe the people who helped and the fugitives were related to the railroad line.───蒸汽铁路刚刚出现，蒸汽铁路刚刚出现，术语用来描述那些帮助和逃亡者相关的铁路线路。

A railroad line was completed after six years of hard labour in the swamps andjungles.───六年后,人们通过辛苦劳作,建设出了一条穿越沼泽和丛林的铁路.

China's first cross-sea railroad line.───中国的第一条跨海铁路线。