754 篇文章
...if there's one thing we've learned from the past...
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...if there's one thing we've learned from the past... 历史告诉我们

Freed from the constant battle to find food,
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Freed from the constant battle to find food, 由于不用再为寻找食物而不断争斗

We freed ourselves from the uncertainty of a hunter-gatherer existence
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We freed ourselves from the uncertainty of a hunter-gatherer existence 我们通过与大自然结盟

had set us apart from other primates
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had set us apart from other primates 使我们与其他灵长类动物区分开来

With fewer big prey to choose from,
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With fewer big prey to choose from, 由于大型猎物减少

Before long, the walls started to crumble from the inside out...
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Before long, the walls started to crumble from the inside out... 不久之后 墙开始从内部碎裂

the pressure from behind increased.
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the pressure from behind increased. 来自后方的压力增加

The only thing stopping the water from flooding the land to the west
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The only thing stopping the water from flooding the land to the west 阻止水流向西淹没陆地的

The descent from the treetops to a life on the forest floor.
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The descent from the treetops to a life on the forest floor. 从树上下到森林地面生活

The teenager will never stray from the herd again.
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The teenager will never stray from the herd again. 这只小象再也不会离队