279 篇文章
lies one of the longest, deepest and most surprising caves in the world.
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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

In this world without sunlight
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In this world without sunlight 在这个没有阳光的世界里

cut off from the outside world and from other caves.
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cut off from the outside world and from other caves. 与外界及其它洞穴隔绝

a technique that has been used here, in Mexico, to chart the largest underwater cave in the world -
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a technique that has been used here, in Mexico, to chart the largest underwater cave in the world - 在墨西哥的这个地方 这种科技被用来 测绘世界上最大的地下水洞

Since the last Ice Age they've become cut off from the outside world.
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Since the last Ice Age they've become cut off from the outside world. 自从上一个冰川期以来 它们便已和外界隔绝

These Bornean caves are among the biggest in the world
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These Bornean caves are among the biggest in the world 婆罗洲的这些洞窟是世界上最大的洞穴

Peregrine falcons and bat hawks are the jetfighters of the bird world.
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Peregrine falcons and bat hawks are the jetfighters of the bird world. 游隼和蝠鹞是鸟类中的喷气式战斗机

This is the biggest underground river passage in the world,
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This is the biggest underground river passage in the world, 这是世界上最大的地下河通道

One kind of rock makes this whole underground world possible -
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One kind of rock makes this whole underground world possible - 这些地底世界之所以会存在 都是因为一种岩石

This is the biggest cave shaft in the world.
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This is the biggest cave shaft in the world. 这是世界上最大的深洞