railroads
n.
铁路，铁道( railroad的名词复数 );
铁路系统;
v.
铁路，铁道( railroad的第三人称单数 );
铁路系统;
例句:
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Neither will railroads, ships or motor freight.
来自SA
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Water transportation was outmoded by railroads and good pikes.
水上运输已因铁路和良好的税道而变得过时了.
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A severe snowstorm blocked up railroads.
一场暴风雪使铁路中断.
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Where do the two railroads connect [ link up ]?
两条铁路在 何处 连接?
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The railroads are still far from finishing.
来自WSJ
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My background is railroads, which couldn't behave more differently.
来自SA