393 篇文章
Today less than a thousand of these desert specialists remain in the wild.
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Today less than a thousand of these desert specialists remain in the wild. 今天 这些沙漠专家的 野生数量已不足1000只

more than a mile from the surface,
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more than a mile from the surface, 位于地表之下1英里多的地方

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

There is, in fact, more life here than anyone would think possible,
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There is, in fact, more life here than anyone would think possible, 事实上 这里的生物数量 远比人们预料的更多

There may well be less than a hundred Texas cave salamanders in the wild.
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There may well be less than a hundred Texas cave salamanders in the wild. 世界上可能只有不到100只 野生洞栖童态河溪螈

So far, more than 350 miles of underwater galleries in the Yucatan have been mapped,
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So far, more than 350 miles of underwater galleries in the Yucatan have been mapped, 人们迄今为止已绘制了350英里的 尤卡坦半岛地下水系图

often more than 60 metres from the floor.
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often more than 60 metres from the floor. 通常高出地面60多米

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

some more than 20 centimetres long.
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some more than 20 centimetres long. 有的蚰蜒能长到20厘米长

They can stay down for more than 30 seconds
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They can stay down for more than 30 seconds 它们能在水下呆30多秒