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Subway system
01
地铁系统
a way of traveling that is available to the public, in which electronic trains move through underground tunnels
例子
The subway system runs frequent trains during peak hours.
The underground subway system provides efficient transportation in the city.
The subway system includes several tunnels that connect different parts of the city.
The subway system efficiently moves people from A to B, making urban travel convenient.
The subway system in the city allows commuters to travel quickly underground.
