468 篇文章
But water in caves doesn't only erode.
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But water in caves doesn't only erode. 可是洞里的水不光只是侵蚀

and not only for the birds.
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and not only for the birds. 不仅只是针对这些鸟而言

which are only a few centimetres across.
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which are only a few centimetres across. 而它们的巢窝相隔不过几厘米远

Bats are not the only commuters in these Bornean caves.
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Bats are not the only commuters in these Bornean caves. 蝙蝠并非婆罗洲洞窟中的唯一常客

Yet these depths were first explored only two years before man landed on the moon.
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Yet these depths were first explored only two years before man landed on the moon. 然而人类直到登月前两年 才第一次进入这个深渊

an inner world where only the most adventurous dare to go.
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an inner world where only the most adventurous dare to go. 一个只有最勇敢者 才敢涉足的地底世界

are only found in the lower courses of their rivers.
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are only found in the lower courses of their rivers. 都是位于河流的下游地段

including the world's only fresh water seal.
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including the world's only fresh water seal. 包括世界上唯一的淡水海豹

Here, only the narrowest line separates life from death.
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Here, only the narrowest line separates life from death. 在这里 生与死只有一线之隔

the rivers are not only a vital source of drinking water,
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the rivers are not only a vital source of drinking water, 河流不仅是唯一能解渴的重要水源