877 篇文章
so they empty their moisture on the mountain slopes,
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so they empty their moisture on the mountain slopes, 水汽在山坡上逐渐凝结

The Gobi, hostile though it is, is their last stronghold.
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The Gobi, hostile though it is, is their last stronghold. 戈壁尽管环境险恶 却是它们最后的据点

Their biggest problem is the lack of water,
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Their biggest problem is the lack of water, 它们最大的困难莫过于缺水

because of their ability to survive in such extreme conditions.
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because of their ability to survive in such extreme conditions. 因为它们能在这种极端环境中生存

keeping their grip with microscopic hooks on their fins.
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keeping their grip with microscopic hooks on their fins. 它们用鳍上的小钩紧紧抓住岩壁

Receptors in their skin detect minute movements in the water made by its prey.
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Receptors in their skin detect minute movements in the water made by its prey. 皮肤上的探测器能觉察到 猎物引起的最微小的水流变化

but also their eyes.
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but also their eyes. 眼睛也退化了

they have all not only lost the pigment in their skin,
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they have all not only lost the pigment in their skin, 它们不仅失去了皮肤色素

for their daytime sanctuary on the ground.
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for their daytime sanctuary on the ground. 以换取它们白天在陆地上的庇护

It becomes their lifeline -
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It becomes their lifeline - 这成了它们的救生索