原文:穿山而建的铁路隧道长达数英里。译文:Railroadtunnelswhicharemileslongbuiltthroughmountains.
原文:穿山而建的铁路隧道长达数英里。译文:Railroadtunnelswhicharemileslongbuiltthroughmountains.
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原文:穿山而建的铁路隧道长达数英里。译文:Railroadtunnelswhicharemileslongbuiltthroughmountains.