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1·The first of our three brains to evolve is what scientists call the reptilian cortex.

我们三个大脑中最先进化的是科学家们所称的爬虫脑皮质。

2·Because they were bipedal, their arms were free to evolve flapping flight, which cannot be said for other reptiles of their time.

因为它们是两足动物，它们的手臂可以自由地进化出拍打的翅膀，这在当时的爬行动物中是不可能的。

3·About the same time, though, scientists realized comets might contain decaying radioactive isotopes that could have warmed cometary interiors to temperatures that caused the interiors to evolve.

然而，大约在同一时间，科学家们意识到彗星可能含有衰变的放射性同位素，这些同位素可能使彗星内部的温度升高到导致内部进化的温度。

4·It's more constructive to think of solutions that continue to evolve over shifts in life and work.

更具建设性的做法是，思考随生活和工作转变而不断变化发展的解决方案。

5·To survive in that sort of environment, animals have to adapt to evolve in response to their surroundings.

为了在那样的环境中生存，动物必须进化，以适应周围的环境。

6·For consciousness to evolve, a brain with a threshold level of complexity and capacity is required, he added.

“大脑需要具备一定的复杂性和容量，才能进化出意识。”他补充说。

7·Sometimes a new technology doesn't drive the old one out, but only parts of it while forcing the rest to evolve.

有时，一项新技术并不会把旧技术赶出市场，只会把其中一部分赶出市场并迫使其余的不断发展。

8·When that separation lasts for a period of time, the two populations are able to evolve along different trajectories.

当这种分离持续一段时间后，这两个种群能够沿着不同的轨迹进化。

9·This was really an important revolution in human history, because it allowed us to continue to evolve in equatorial environments.

这在人类历史上确实是一场重要的革命，因为它允许我们继续在赤道环境中进化。

10·It is conceivable that the pronghorn antelope would have continued to evolve, get faster maybe, if the cheetahs were still around.

可以想象，如果猎豹还在的话，叉角羚会继续进化，也许会跑得更快。