地下鐵道 dìxiàtiědào subway Origin Definitions Defs Strokes Stroke Words Sentences Sents 地下 dìxià nounlocative underground below the surface of the earth; subterranean; used to describe places or things located beneath the ground铁道 鐵道 tiědào noun railway railway line; railroad track; a transportation route where steel rails are laid on a roadbed for trains to travel on