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5665 篇文章
and an ibex that has fallen to its death.
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and an ibex that has fallen to its death. 和一头摔死的羱羊

...he might be able to turn it over.
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...he might be able to turn it over. 也许可以将它翻过来

For the young Doedicurus, the only option is to stay put.
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For the young Doedicurus, the only option is to stay put. 对巨犰狳幼崽来说 唯一的选择是保持原地不动

the grasslands played host to the same battle...
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the grasslands played host to the same battle... 草原上发生了同样的战斗

Desperate to defend her only calf,
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Desperate to defend her only calf, 迫切地想要保护自己的幼崽

for the young to hide in.
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for the young to hide in. 使幼崽能够藏身其中

others evolved to feed on the grazers.
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others evolved to feed on the grazers. 另一些哺乳动物 则进化为以食草动物为食

But just as some mammals evolved to feed on the grass,
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But just as some mammals evolved to feed on the grass, 但在一些哺乳动物 进化成以草为食的同时

...able to walk within hours of birth...
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...able to walk within hours of birth... 出生后几小时就能行走

strengthened to prevent silica in the grass from wearing them out...
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strengthened to prevent silica in the grass from wearing them out... 能够防止草中的二氧化硅磨损牙齿