With the current footprint of humanity, "it seems that global collapse is certain to happen in some form, possibly within a decade, certainly within this century," Johnson said in an email.
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10. 目前人口还在增长。
The population is still growing.
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11. 除此之外，史前人类使用的技术看起来比较简陋。
Beside this, prehistoric man looks technologically primitive.
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12. 以前人们认为地球是平的，所以人类从未征服过地球。
Believed to be flat, the earth was never conquered by human beings.
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13. 按照对目前人口趋势的最保守估计，到那时人口将增加约30亿人。
Applying the most conservative estimates to current demographic trends, the human population will increase by about three billion people by then.
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14. 在世界的某些地方，你仍然可以找到两百多万年前人们使用的工具。
In some parts of the world you can still find tools that people used more than two million years ago.
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15. 史前人类从未向雷克斯暴龙扔过长矛，但确实猎杀过猛犸象和乳齿象。
Prehistoric humans never threw spears at Tyrannosaurus rex but really did hunt mammoths and mastodons.
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16. 乔迁派对之所以得名，是因为很久以前人们会把柴火作为礼物带到新家。
Housewarming parties get their name from the fact that a long time ago people would actually bring firewood to a new home as a gift.
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17. 当史前人类来到一处新地方时，一些奇怪的事情发生在大型动物身上，那就是它们突然灭绝了。
When prehistoric man arrived in new parts of the world, something strange happened to the large animals: they suddenly became extinct.
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18. 游客人数的增加是该市人口从20世纪50年代的17.5万人下降到目前人数的一个关键原因。
The tourist increase is one key reason the city's population is down from 175,000 in the 1950s.
Several current studies are looking at these effects and I really do hope we can find a way to deal with this issue before these ecosystems are adversely affected.
It was not known, however, whether central fatigue might also affect motor systems not directly involved in the exercise itself, such as those that move the eyes.
The policy follows similar efforts from other journals, after widespread concern that basic mistakes in data analysis are contributing to the irreproducibility of many published research findings.
I've also looked at how older people are represented in the media; again, it's of major current interest with older people becoming a much larger proportion of UK and indeed, world society.
I've also looked at how older people are represented in the media; again, it's of major current interest with older people becoming a much larger proportion of UK and indeed world society.
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25. 我们敢于走前人未尝走过的新路。
We dare to break a path unbeaten before.
《新英汉大辞典》
26. 法律面前人人平等。
Everyone is equal before [under] the law.
《新英汉大辞典》
27. 他总是前人的画作里寻找构图。
He is always looking for composition in predecessors.
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28. 他们不想重犯前人犯过的错误。
They don't want to repeat mistakes made by their predecessors.
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29. 我们要突破前人，后人也必然会突破我们。
We will surpass our predecessors, and future generations will certainly surpass us.
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30. 我们要突破前人，后人也必然会突破我们。
We will surpass our predecessors, and future generations will certainly surpass us.
