[翻译]The London Underground is a rapid transit system（交通运输系统） in the United Kingdom, serving a large part of Greater London. The underground system is also known as the Tube.
伦敦地铁是英国的一个快速交通运输系统，服务于大伦敦的大部分地区，地铁系统也被称为地下管道。
[翻译]The London Underground is a rapid transit system（交通运输系统） in the United Kingdom, serving a large part of Greater London. The underground system is also known as the Tube.
伦敦地铁是英国的一个快速交通运输系统，服务于大伦敦的大部分地区，地铁系统也被称为地下管道。
