london underground system

基本解释

Universal Pictures also said that the posters were not placed near schools and appeared in the London Underground system, which does not have a high proportion of children.
此外，"環球影業"稱，宣傳海報竝沒有在學校附近出現，而是投放在兒童很少出現的倫敦地鉄裡。
London – the oldest. The first line was thepartially underground Metropolitan Railway Line which opened in 1863, and isnow a part of the more expansive London Underground system.
最古老的地鉄——倫敦地鉄。開通於1863年的倫敦市地下鉄路是倫敦地鉄的前身。這一段開通於那個年代的地鉄已經成爲了正在日益擴張的倫敦地鉄系統的一部分。
The first line was the partially underground Metropolitan Railway Line which opened in 1863, and is now a part of the more expansive London Underground system.
開通於1863年的倫敦市地下鉄路是倫敦地鉄的前身。這一段開通於那個年代的地鉄已經成爲了正在日益擴張的倫敦地鉄系統的一部分。

London may be famous for its red double-decker buses, but it is the underground system, parts of it more than a hundred years old, that is especially vulnerable.

What's been so interesting here in the UK is this time around - unlike after the July the 7th bombings on the London underground system - everyone universally and rightly has condemned this barbaric act.
NPR: Violence In Europe Leaves People Fearful
Mr Prescott says that much larger sums are needed to provide London with an underground system fit for the 21st century.
ECONOMIST: London Underground