n. 地铁;大城市,大都市(尤指德里、加尔各答、孟买或钦奈);(尤指)巴黎地铁;地下铁路
adj.大都市的
例句:
to travel on the metro / by metro
乘地铁旅行
The Orange Line Metro also takes you there.
地铁橙线也可以到那儿.
The author holds this experience is useful for similar projects on future tunnel construction of metro.
可为以后隧道交叉段设计、施工提供参考.