317 篇文章
but venturing deep into the cave is very dangerous indeed.
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but venturing deep into the cave is very dangerous indeed. 但是深入洞穴必然极度危险

have to survive on whatever washes into the cave from outside.
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have to survive on whatever washes into the cave from outside. 必须得吃任何从外边冲进洞内的东西

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

and using ladders made from forest vines the gatherers climb into the highest reaches of the cave
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and using ladders made from forest vines the gatherers climb into the highest reaches of the cave 采集者利用树藤编成的梯子爬到洞穴的最高处

and anything that falls into it.
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and anything that falls into it. 以及任何掉进里面的东西

In Borneo, rain has sculptured the limestone into extremely sharp-sided pinnacles.
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In Borneo, rain has sculptured the limestone into extremely sharp-sided pinnacles. 在婆罗洲 雨水已将石灰岩 雕凿成无比尖削的石塔

They work together to drive shoals of fish into the shallows.
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They work together to drive shoals of fish into the shallows. 它们一起合作把鱼群赶到浅水区

where one massive tributary, the Rio Negro, flows into the main river.
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where one massive tributary, the Rio Negro, flows into the main river. 一条巨大的支流 ——内格罗河在此汇入干流

it empties into the Atlantic Ocean.
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it empties into the Atlantic Ocean. 亚马逊河汇入了大西洋

The floor of Lake Malawi drops 700 metres into an abyss.
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The floor of Lake Malawi drops 700 metres into an abyss. 马拉维湖底是一个深达700多米的深渊