877 篇文章
that continuously pumps blood across their lungs...
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that continuously pumps blood across their lungs... 能够持续将血液送至肺部

as it was for their prehistoric ancestors.
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as it was for their prehistoric ancestors. 对于其史前祖先也是如此

Crocodiles can slow their heart rate to just two beats a minute...
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Crocodiles can slow their heart rate to just two beats a minute... 鳄鱼能够将心跳降至每分钟两次

...wildebeest come to quench their thirst.
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...wildebeest come to quench their thirst. 对危险毫无知觉

But despite their supremacy,
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But despite their supremacy, 但尽管它们优势如此

and find the perfect spot to lay their eggs.
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and find the perfect spot to lay their eggs. 并找到完美的产蛋地点

they come together in their thousands.
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they come together in their thousands. 它们成千上万结伴而来

adult females must still return to dry land to lay their eggs.
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adult females must still return to dry land to lay their eggs. 每年仍要返回干燥的陆地上产卵

turtles went back to the seas their ancestors left,
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turtles went back to the seas their ancestors left, 海龟回到了祖先曾离开的大海

was when some of them turned their back on the land
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was when some of them turned their back on the land 也许是其中一些动物放弃陆地