one

963 篇文章
Without water one might not expect to find any caves,
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Without water one might not expect to find any caves, 没有水的地方似乎不可能有洞穴

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

But one cave is so inhospitable
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But one cave is so inhospitable 可是有一个洞穴的环境过于险恶

that one would not expect it to contain any life whatsoever.
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that one would not expect it to contain any life whatsoever. 不管什么生物似乎都不可能在那里生存

And the Belizean white crab is another creature that is unique to just one cave system.
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And the Belizean white crab is another creature that is unique to just one cave system. 而伯利兹白蟹是另一个 洞穴生态系统中的特有物种

like the remiped, one of the most ancient of all living crustaceans.
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like the remiped, one of the most ancient of all living crustaceans. 例如桨足虫——一种最古老的甲壳动物

one might not expect to find plants.
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one might not expect to find plants. 似乎不太可能会有植物

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

It takes more than 30 days to complete one.
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It takes more than 30 days to complete one. 每个燕窝得花上30多天才能完工

It's a remarkable skill and one we still do not fully understand.
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It's a remarkable skill and one we still do not fully understand. 我们至今仍未能完全了解 这种了不起的本领