subway
n
1 underground pedestrian tunnel, esp one beneath a road or railway 地下人行道(尤指公路或铁路下的)
Use the subway to cross the road. 请用地下通道穿越马路. Cf 参看 underpass.
2 (US) underground railway in a city 市区地下铁道: travel by subway 乘地铁
[attrib 作定语]
a subway train, station 地铁列车、 地铁站. Cf 参看 underground2 n, tube 3, Metro.