It is interesting that Chinese characters evolve from pictures and signs.
有趣的是，汉字是由图画和符号演变而来的。
So why would animals evolve a characteristic that seems to endanger them?
那么，为什么动物会进化出一种似乎会危及它们自身的特性呢？
Sometimes primary group relationships evolve out of secondary group relationships.
有时主要的群体关系从次要的群体关系演变而来。
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。
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。
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。
All in all, at least at this stage, it's unlikely that online learning will evolve into the dominant form of education.
总而言之，至少在现阶段，网上学习不太可能发展成为教育的主导形式。
Despite the fact that his stepfather was one of the finest men in Saudi Arabia, my father's life did not evolve as he wished.
尽管他的继父是当时沙特阿拉伯最杰出的男性之一，我父亲的生活并没有像他所希望的那样发展。
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。
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。
If early humans hadn't moved and intermingled as much as they did, they probably would have continued to evolve into different species.
如果早期人类没有像以前那样频繁地移动和融合，他们可能会继续进化成不同的物种。
Curriculums—from grammar school to college—should evolve to focus less on memorizing facts and more on creativity and complex communication.
从文法学校到大学的课程设置应该逐渐发展到更少关注事实记忆而更多关注创造力和复杂交流的层面。
It seems likely, then, that the traditional three-stage life will evolve into multiple stages containing two, three, or even more different careers.
那么，传统的三段式生活很可能演变成包含两个、三个甚至更多不同职业的多阶段生活。
Earth has been able to support life because its position relative to the Sun provided it with enough heat, but not too much heat for early bacteria to evolve.
地球之所以能够维持生命，是因为它相对于太阳的位置为它提供了足够的热量，但热量没有多到可以让早期的细菌进化。
The physical structure of species competing for resources in the same ecological niche tends to gradually evolve in ways that allow them to occupy different niches.
争夺同一生态资源的物种趋向于朝着依赖不同资源的方向进化；而相互竞争的物种会逐渐改变他们的活动范围，使其领地不再重叠。
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。
Each school must evolve its own way of working.
每个学校必须形成自己的办学方式。
Your body didn't evolve to handle this kind of thing.
你的身体没有进化到可以来处理这种事情的地步。
With the summer construction season approaching, how will the sawnwood prices evolve?
随着夏季施工季节的临近，锯木价格将如何变化？
Primate foamy viruses can infect humans harmlessly, but researchers fear they may evolve to become dangerous.
灵长类泡沫病毒可以感染人类但无害，但研究人员担心它们可能会演变成具有危险性。
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