城市中通常在地下运行的大众快速交通系统,即地铁系统
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城市中通常在地下运行的大众快速交通系统,即地铁系统
the public rapid transit system in a city, typically operating underground
The metro system in Tokyo is famous for being on time.
东京的地铁系统以准时著称。
城市中通常在地下运行的大众快速交通系统,即地铁系统
the public rapid transit system in a city, typically operating underground
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