metro
US /ˈmet.roʊ/
UK /ˈmet.roʊ/

1.
地鐵
an underground railway system in a city, especially one in Europe or Asia
:
•
Take the metro to the city center.
乘坐地鐵到市中心。
•
The Paris Metro is one of the oldest in the world.
巴黎地鐵是世界上最古老的地鐵之一。
地鐵
an underground railway system in a city, especially one in Europe or Asia