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。

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。

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。

Rarely, animal corona-viruses can evolve and then spread among people, such as Middle East respiratory syndrome and severe acute respiratory syndrome (SARS).

少数情况下，动物冠状病毒会进化并在人群中传播，如中东呼吸综合征和严重急性呼吸综合征（SARS）。

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。

In adapting to extreme climates, like Maine in the winter time, animals can evolve in pretty interesting ways.

在适应极端气候的过程中，比如缅因州的冬天，动物可以以各种非常有趣的方式进化。

"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。

The business and development teams' understanding of the business problem should evolve from fuzzy to concrete.

业务和开发团队对业务问题的理解应当会逐渐从模糊走向具体。

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。

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。

I think in the future, materials will evolve, and they will look and feel like fabrics we know today, like cotton or silk.

我认为在未来，材料将会得到改进，它们的外观和触感将会像我们今天所知的面料那样，比如像棉花或丝绸那样。

Our ties with people often deepen as we interact with them across time and gradually evolve interlocking habits and interests.

随着时间的推移，我们与他人的互动不断加深，并逐渐形成相互关联的习惯和兴趣。

Glimpses of soft feminine features evolve into men with handlebar mustaches and freckle-faced teenagers grinning through braces.

温柔的女性的脸孔可能在眨眼间变换成长着胡子的男性和长满雀斑、带着牙套咧嘴微笑的少年。

The TAM has been built on observations of typical systems available today within the fixed sectors and will evolve naturally as these systems develop.

TAM 建立在基于对当前固定领域可用的典型系统的观察，并会随着这些系统的发展而自然发展。

Posting news online is a much more attractive option for many news companies and it also offers flexibility in its offering and can change minute by minute as situations evolve.

对许多新闻公司来说，在网上发布新闻是一个更有吸引力的选择，而且它还具有灵活性，可以随着形势的变化随时改变。