- lies one of the longest, deepest and most surprising caves in the world.
存在着一座世界上最长、最深 也最令人惊奇的洞穴 - Its secrets remained unknown until 1986,
它的秘密直到1986年才被人们发现 - when cavers dug through several metres of loose rock
洞穴专家们在松散的岩层中 挖出了一条几十米深的通道 - to the bottom of this pit.
直达这个深渊的底部 - They named the cave 'Lechuguilla'
他们把这个洞命名为“龙舌兰洞” - and since this discovery more than 120 miles of passageways have been mapped.
自从那次发现之后 迄今已测绘了120多英里的地道 - When the first explorers descended,
第一批探险家进入这个洞后
to the bottom of this pit. 直达这个深渊的底部
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