I should note that it would have been very easy for me to take the metro, the underground subway to the complex, as there is a station just by the gates of the opera.

需要声明的一点是，对我而言，乘地铁到组楼附近十分便捷，因为在歌剧院的大门外便是一个地铁站。

youdao

He used "subway" instead of British word "underground".

他用的是“subway”，而不是英式单词“underground”。

youdao

This is especially important for subway riders who frequently lose cell service while underground.

这对于地铁乘客来说尤为重要，这些人在地下时经常没有手机信号。

youdao

looked at things like where should they locate waste water treatment facilities because of the impacts of climate change, what risks are likely to occur to their subway system because it's underground and already requires enormous pumping of water during certain large rainfall events."

VOA: standard.2010.06.14

the underground, or the subway, the Metro that we call it,

还有地下交通，比如地铁，我们通常称之为Metro，

旧金山的公共交通 - SpeakingMax英语口语达人

Arlington was a relatively suburban part of the DC metro area until a new underground subway line was put through.

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There is no underground subway system out here to take that can connect LA county to the heart of Los Angeles itself and everything is spaced out with just enough distance that ultimately you have to drive to get from point A to point B.

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