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1800 篇文章
these commuters rely on their loud clicks to find their way through the cave passages in total darkness.
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these commuters rely on their loud clicks to find their way through the cave passages in total darkness. 这些住客利用它们响亮的叫声 在漆黑一片的洞穴通道内辨别方向

Yet the nightly onslaught has little impact on bat numbers -
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Yet the nightly onslaught has little impact on bat numbers - 然而 每天傍晚的攻击只会 对蝙蝠数量产生很小的影响

so the bat hawks bolt their catches on the wing
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so the bat hawks bolt their catches on the wing 于是蝠鹞一边飞一边吞下猎物

They're totally dependant on the digested remains of food that's brought here from outside.
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They're totally dependant on the digested remains of food that's brought here from outside. 它们完全依赖的食物消化残渣 都是来自于外界

The cockroaches feed on the guano
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The cockroaches feed on the guano 蟑螂的食物就是粪便

which spend part of their day resting on cave walls.
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which spend part of their day resting on cave walls. 它们一天大部分时间都呆在洞壁上

Caves are one of the few habitats on Earth not directly powered by sunlight.
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Caves are one of the few habitats on Earth not directly powered by sunlight. 洞穴是地球上少数几种 不直接依赖阳光的生态环境之一

In the absence of plants this food chain is based on a continuous supply of bat droppings.
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In the absence of plants this food chain is based on a continuous supply of bat droppings. 在缺少植物的情况下 这里的食物链 完全依赖供应不断的蝙蝠粪便

The bats roost high on the walls and ceilings
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The bats roost high on the walls and ceilings 这些蝙蝠倒挂在洞壁和天顶上

that sometimes go on for miles.
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that sometimes go on for miles. 有的甚至深达数英里