to

5665 篇文章
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

is to haul themselves up onto the beach where they were born
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is to haul themselves up onto the beach where they were born 就是要爬上它们出生的海滩

allows many more turtles to survive.
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allows many more turtles to survive. 可以让更多海龟生存下来

But by the time they'd conquered the seas, the ocean was home to deadly predators.
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But by the time they'd conquered the seas, the ocean was home to deadly predators. 但当它们征服大海时 海洋已经成为致命捕食者的家园

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

and returned to the ocean.
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and returned to the ocean. 回到海洋

leading to a dangerous drop in blood pressure.
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leading to a dangerous drop in blood pressure. 导致血压急剧下降

Too heavy to climb,
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Too heavy to climb, 成年巨蜥太重 无法爬树

before she's big enough to stand up for herself.
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before she's big enough to stand up for herself. 才能长到足够强大 能够保护自己