They had been on our planets for millions of years, but 2018 was the year several species officially died off forever.

这几个物种已经在我们的地球上存在了数百万年，但是官方称2018年它们已经陆续灭亡。

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These are wood and stone sculptures that he's carved and marked with fire to illustrate the ferocity and intensity of the forces that have shaped our planet over millions of years.

这些木雕和石雕都是他用火雕刻和标记的，用以说明数百万年来塑造我们星球的力量的暴烈程度和强度。

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Moreover, even though humans have been upright for millions of years, our feet and back continue to struggle with bipedal posture and cannot easily withstand repeated strain imposed by oversize limbs.

此外，尽管人类直立行走已经有数百万年的历史，我们的脚和背部仍在两足行走的姿势中艰难斗争，无法轻易承受过长的四肢持续施加的压力。

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A more intriguing possibility is that our genetic makeup includes a signal encoded by aliens in our DNA that might have been left hundreds of millions of years ago.

VOA: standard.2010.04.16

And so one could say that there is a very unfortunate mismatch between our biology and our evolution and the modern food environment, because biology of course takes thousands and thousands, millions of years even to change, but the food environment has changed relatively recently.

可以说,在人类的生物进化和现在的,食品环境之间存在着非常不幸的脱节,生物学上的改变要花上,成千上万年的时间,但是食品环境却可以在短时间内迅速改变

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

True, we have a lot more choices (often aided by technology) about precisely how we do these things in the modern world but we are still built by a hundred thousand years or so of our own species, tens of millions of years of mammalian evolution, into ending up with slightly different brains and slightly different interests to go along with our very different gonads.

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Although the pupil-to-teacher ratio has been cut nearly 40% over the past 40 years, millions of our children have not benefited.

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It is just how our brain works, thanks to millions of years of evolution.

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