passageways

3 篇文章
and since this discovery more than 120 miles of passageways have been mapped.
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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

discovery mapped passageways than miles more since been of have this and
but they could never have known that these flooded passageways were actually the beginning of subterranean rivers,
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but they could never have known that these flooded passageways were actually the beginning of subterranean rivers, 但他们从不知道这些水下通道 其实是地下河的入口

subterranean passageways actually flooded rivers could these known beginning they of that never have the but were
that we've come to appreciate the full significance and scale of these flooded passageways.
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that we've come to appreciate the full significance and scale of these flooded passageways. 我们才能完全了解 这些地下水道的重要性及其规模

passageways scale significance appreciate we've flooded full come these of that the to and
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