地下铁的英文：
subway

The city subways carry hundreds of thousands of passengers a day.
市内的地下铁每天运载数十万乘客。

By metro
坐地下铁

The city subway carry hundreds of thousands of passenger a day.
市内的地下铁每天运载数十万乘客。

I am interested in learning more about the construction of subways.
我对学习更多有关地下铁工程感到兴趣。

I want to get there by subway.
我想乘地铁去那儿。

Use the subway to cross the road.
请走地下通道穿越马路。

homeless people forced to panhandle in subway stations.
无家可归的人们被迫在地铁站里乞讨。

Their office building was a goodish distance from the subway station
他们的办公大楼离地铁车站有相当长一段路。

Use the short subway beneath the highway for walking to the beach.
走公路底下的短途地下通道到海滨去。