877 篇文章
These cubs will stay with their mother for nearly two years...
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These cubs will stay with their mother for nearly two years... 小豹会与母亲待在一起将近两年

With their freezing temperatures and thin air,
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With their freezing temperatures and thin air, 由于寒冷的气温和稀薄的空气

Battles between the mammals have always driven their evolution,
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Battles between the mammals have always driven their evolution, 哺乳动物之间的战斗 始终推动着它们的进化

and their defenses are intriguing.
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and their defenses are intriguing. 它们的防御措施很有趣

...adaptations that protect them and their young
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...adaptations that protect them and their young 这些适应性可以保护它们及幼崽

their huge numbers the most obvious sign of this exceptional success.
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their huge numbers the most obvious sign of this exceptional success. 它们庞大的数量 就是巨大成功的最明显的标志

and follow their herd in search of fresh growth.
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and follow their herd in search of fresh growth. 并跟随兽群寻找新长出的草

Their young are born fully formed...
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Their young are born fully formed... 幼崽一出生就完全成型

But just as their ancestors were beginning to make progress,
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But just as their ancestors were beginning to make progress, 但正当它们的祖先开始取得进展时

The monkeys have discovered their very own insect repellent.
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The monkeys have discovered their very own insect repellent. 猴子们发现了它们自己的驱虫剂