623 篇文章
The source of these toxic fumes lies several miles below.
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The source of these toxic fumes lies several miles below. 这些毒气的源头位于地下几英里处

It's astonishing that these extraordinary cave dwellers manage to survive at all.
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It's astonishing that these extraordinary cave dwellers manage to survive at all. 这些奇异的洞栖生物能如此成功地生存 的确令人称奇

so these species must have been isolated for a very long time.
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so these species must have been isolated for a very long time. 所以这些物种必定 与世隔绝了相当长的一段时间

The entire population of these cave angel fish
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The entire population of these cave angel fish 世界上所有的洞穴天使鱼

These troglodytes from Thailand
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These troglodytes from Thailand 泰国的这些穴居动物

This is the price that these cave commuters must pay
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This is the price that these cave commuters must pay 这是洞栖动物必须付出的代价

A bottleneck funnels these exiting bats into dense concentrations
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A bottleneck funnels these exiting bats into dense concentrations 当大群蝙蝠密集地通过瓶颈出口时

For these fish the caves are a night time retreat,
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For these fish the caves are a night time retreat, 对于这些鱼来说 洞穴是理想的过夜场所

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

In these conditions a diver could easily become disorientated
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In these conditions a diver could easily become disorientated 在这种情况下 潜水员很容易迷失方向