1801 篇文章
wildlife populations have fallen by an average of almost 70%,
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wildlife populations have fallen by an average of almost 70%, 野生动物种群就已平均下降将近70%

Our ingenuity has taken us further than we could ever have imagined,
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Our ingenuity has taken us further than we could ever have imagined, 我们的聪明才智 令我们取得了过去从未设想过的成就

our story could have been a short one
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our story could have been a short one 但如果表现不够出色

there have been more than 50 cycles of ice buildup and melt...
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there have been more than 50 cycles of ice buildup and melt... 已经发生50多次结冰融化的循环

They have no choice but to back down
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They have no choice but to back down 它们别无选择 只得退下

but the hunters have him in their sights.
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but the hunters have him in their sights. 但猎手们已经盯上它

Age-old enemies that have been locked in battle for millennia.
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Age-old enemies that have been locked in battle for millennia. 数千年来 这对宿敌一直缠斗不休

and have been hunting bison in America for more than 100,000 years.
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and have been hunting bison in America for more than 100,000 years. 其在美洲捕杀野牛的历史 已经超过10万年

The mammals have conquered every habitat on Earth.
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The mammals have conquered every habitat on Earth. 哺乳动物征服了地球上每一片栖息地

Snow leopards have thick fur,
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Snow leopards have thick fur, 雪豹有着厚厚的毛皮