580 篇文章
And when resources are limited,
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And when resources are limited, 当资源有限的时候

When full, a saguaro stem can store up to five tonnes of water
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When full, a saguaro stem can store up to five tonnes of water 吸饱水后 弁庆柱的茎干中 已储存了5吨左右的水

and when it does arrive
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and when it does arrive 一旦雨水到来

When the summer monsoon blows in
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When the summer monsoon blows in 当夏季季风吹来时

when the little there is is locked up as ice.
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when the little there is is locked up as ice. 那里仅有的一点水也结成了冰

And when sulphuric acid dissolves limestone
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And when sulphuric acid dissolves limestone 硫酸在溶解石灰岩的同时

When the first explorers descended,
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When the first explorers descended, 第一批探险家进入这个洞后

when cavers dug through several metres of loose rock
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when cavers dug through several metres of loose rock 洞穴专家们在松散的岩层中 挖出了一条几十米深的通道

so when something does come along
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so when something does come along 所以只要眼前有食物出现

When the nearest exit may be hundreds of metres or more away,
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When the nearest exit may be hundreds of metres or more away, 最近的出口可能远在 几百米之外或者更远的地方