a subterranean cave
地下洞穴
1.地下的,地中的
2.隐藏的,秘密的
1.under the ground
1.The obvious assumption was that this was some kind of subterranean slum.
可以明显的假设，此处极像一个地下贫民窟。
2.He was an old fellow who had devoted the better part of a long life to the perfection of a mechanical subterranean prospector.
他是一个讲大部分最好的人生时光都投入到底下勘探机器的研究上的老家伙。
3.As the reader sees, the subterranean labyrinth of Paris is to-day more than ten times what it was at the beginning of the century.
正如我们所见，今日巴黎的地下迷宫，与这个世纪开始时相比已增加了十倍以上。
4.But, like the smoke seeping from its subterranean peat fires, signs of discontent are filtering up from Russia's free-speaking blogosphere.
但是，就像俄罗斯地下的泥炭火会散发出烟雾一样，在言论自由的俄罗斯博客世界，也传出了不满的声音。
5.For decades, the tunnels, hundreds of meters below the surface, have hosted subterranean convalescents.
几十年来，这个地下数百米处的盐矿隧道一直充当着地下康复中心的角色。
6.It's not super light--reading by it would be difficult and eye-straining--but certainly beautiful in an unearthly or subterranean way.
它不是很亮，在这种灯光下看书会觉很困难，眼睛也会疲劳，但的确很漂亮，不是吗？
7.Scientists believe these holes form when the ceiling of a subterranean lava tube collapses, possibly due to a meteorite strike.
科学家认为，地下熔岩洞顶部的坍塌或流星的撞击，都是这些月球坑形成的原因。
8.During her captivity she was held in a subterranean bunker which was initially equipped with just a bed, toilet and sink.
在自己的囚禁的日子里，她被关在一个地下的仓库里，所有的装备仅仅是一张床，一个厕所以及水槽。
9.A subterranean flow of briny water could rearrange sand grains or alter surface roughness in a way that darkens its appearance.
地下水流的流动会使得沙粒积累，并使得表面变得粗糙，从而颜色更深。
10.The superficial world of appearances, I thought, was the product of a subterranean world of effort and drive.
我曾认为，关于外貌的表世界是某个里世界的努力和驱动所造就的。