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4391 篇文章
but it's only with the help of today's technology
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but it's only with the help of today's technology 但只有借助现代科技

technology today's help only with of it's the but
roots of giant tropical trees have pushed their way through cracks in the limestone
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roots of giant tropical trees have pushed their way through cracks in the limestone 大型热带树木的根系 却已穿透石灰岩裂缝

cracks roots limestone way through tropical giant pushed trees their of in have the
Away from the life-giving rays of sunshine
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Away from the life-giving rays of sunshine 这里远离给予生命的阳光

sunshine life-giving rays away from of the
But in the darkness of the cave tunnels
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But in the darkness of the cave tunnels 但是在黑暗的洞穴通道内

tunnels cave darkness of in the but
These flooded shafts are the region's only source of open fresh water.
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These flooded shafts are the region's only source of open fresh water. 这些水潭是整个地区 唯一的露天淡水资源

region's shafts flooded source open fresh these only water of the are
500 years ago they supported one of the world's great civilisations
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500 years ago they supported one of the world's great civilisations 500年前 它们维系着 一个世界上最伟大的文明

civilisations supported world's great they of the one ago years
can take many thousands of years to develop.
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can take many thousands of years to develop. 经历了数千年的形成过程

develop thousands many can of to take years
These flooded caves in Mexico have remained virtually unchanged for thousands of years.
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These flooded caves in Mexico have remained virtually unchanged for thousands of years. 墨西哥的这些水洞 几千年来几乎保持不变

unchanged remained caves mexico flooded thousands virtually these for of in have years
the slow deposition of dissolved limestone.
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the slow deposition of dissolved limestone. 都是由水溶碳酸钙缓慢沉淀而来

deposition dissolved limestone slow of the
produce an infinite variety of forms, but all are created by the same process -
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produce an infinite variety of forms, but all are created by the same process - 造就了千姿百态的溶洞地形 但它们的形成过程都是一样的

infinite process produce created same variety forms an of all the by are but