A railroad line is a route made up of tracks that trains follow to travel between different places. It consists of a series of connected rails laid out on the ground and supported by ties or sleepers. A railroad line can be a single set of tracks or multiple tracks, depending on how busy the route is. It is part of a larger network that connects cities, towns, or regions, allowing trains to move goods and passengers efficiently. Railroad lines are essential for transportation and are used by various types of trains, including cargo and passenger trains.

“railroad line”的英语定义和含义

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