Travelling on the London underground (the 'tube') presents few difficulties for visitors because of the clear colour-coded maps.

现在旅游者在伦敦乘地铁一点也不困难，因为颜色编码的地图。

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So now the capsule travelling inside the tube doesn't encounter as much resistance, and therefore can travel really fast with very little energy.

所以胶囊列车在管道内部行进时不会遇到太大阻力，这样就可以用很少的能量行驶非常快。

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He reads his paper on the packed Tube train, while she waits patiently on the railway platform. This is travelling the new coalition way for Nick and Miriam Clegg.

克莱格在地铁上看报纸，而她的夫人则耐心地等在火车站站台上，这就是克莱格夫妇的出行方式。

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travelling round by the bus and tube is much more reasonable.

乘公交和地铁到处转就更合理了。

公共交通更方便 - SpeakingMax英语口语达人

"Being here brings back lots of memories of travelling on the Tube as a schoolgirl, " she said.

BBC: denise van outen

It was for this reason that I particularly enjoyed a story I heard the other day about an overseas visitor to Britain who said the best part of his visit had been travelling from Heathrow into central London on the tube.

BBC: The full text of the Queen's Christmas broadcast.

If you are travelling to the airport, take rail options instead of a taxi or the Tube, if possible.

BBC: Navigating the London 2012 exodus