After a while of living on the surface, they realized our sun was causing them to age prematurely, so they escaped underground, building huge subterranean complexes in which to live.

在地表生活一段时间后，他们意识到我们的太阳正引发他们老化，因而他们逃到地下，建造了生活其中的巨大的地下联合体。

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Subterranean works beneath the tower include the Jubilee line station, an underground car park and sewers.

钟楼下方的地下施工包括银禧线地铁站台，还有一个地下停车场和部分下水道工程。

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The more technologically advanced Elomin built cities on the surface of the planet, while the subterranean Eloms lived deep underground.

科技发达的伊洛明人在行星表面建造起城市，而穴居的伊洛姆人生活在地下深处。

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Because most of the peninsula sits on a limestone shelf, there are no surface rivers, and rainwater quickly seeps underground where it gathers and forms subterranean bodies of water known as cenotes.

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Ajit Chambers is a former City of London banker who quit finance to set up the Old London Underground Company in 2009, which is leasing the subterranean land from the city.

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This spider's web of narrow tunnels, complete with coffin-sized cavities, opens out into dark subterranean churches - a most evocative way to end an underground tour of Rome.

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