For hundreds of years, humans studying ancient life had to rely on stones and bones for hard evidence about what extinct creatures looked like.
几百年来，研究古生代生活的人们必须依赖石头和骨骸这些确凿的证据来说明那些已不复存在的生物是什么样的。
If yeast and humans inherited an ancient gene module, we might use related versions of other yeast genes to build blood vessels.
如果人类和酵母菌从同一个祖先那里继承了这套基因模组，那么我应该也可以利用其他酵母菌基因的相关模板来建造血管。
The new method may also help anthropologists understand more about the history and migration of ancient humans at sites where bits of hair are preserved.
这项新技术或许也能助益人类学家，通过分析遗址中毛发中留存着的信息，进一步了解古人类的历史和迁徙。
Ancient humans liked the view of the sea from here, and the sudden warmth of the sun, as I do.
古人就像我一样，喜欢从这儿看大海的风景，喜欢太阳一露脸就带来的温暖。
Now Richmond is working on comparing the gait and foot structure of modern humans to the collection of ancient footprints.
现在列治文正在参照现代人的步态以及脚的组织结构对这些古人类的脚印进行对比研究。
Humans, on the other hand, since even before the first Ancient Olympic Games, have been racing, fighting, and trying to top each other in all different kinds of ways.
而另一方面，人类则早从首次的古代奥运会之前就一直以各种不同的方式与彼此竞赛、打斗，试图超越对方。
We see that many ascending humans shall travel and relocate, moving to the land of their ancient ancestors.
我们看到许多提升人类会旅行并重新安家，搬迁到他们远古祖先住过的大陆。
For ancient humans, remaining fit enough to run after game and away from predators and enemies was vital for survival.
对于远古人类，保持身体足够健康来追赶猎物和躲避食肉动物及敌人对生存来说是十分重要的。
Sykes explains the principles of genetics and human evolution, the particularities of mitochondrial genetics, and analyses of ancient DNA to genetically link modern humans to prehistoric ancestors.
赛克斯解释了遗传学与人类进化的原理，线粒体遗传学的特性，还有通过对古代dna的分析来寻找现代人类与史前祖先的遗传关系。
Humans generated several kinds of hieroglyphical characters, such as the hieroglyphical characters in ancient Egypt and Indians' Mayan characters.
世界上最早产生的几种象形文字，例如古埃及的象形文字和印第安人的玛雅文字。
The working relationship between dogs and humans goes back to ancient times.
狗与人的工作关系可追溯到远古时代。
Who was the first hominid? Scientists are uncovering more and more ancient hominids all the time — here meaning bipeds including humans, our direct ancestors and closest relatives.
一直以来科学家们向我们揭示了越来越多古老的原始人类——这就意味着这些两足动物中包含有人类的直系祖先与最接近的亲属。
Borneo, the largest island in Asia, has the purest and original natural environment in the world, and it is also one of the birthplaces of ancient humans in Asia.
婆罗洲是亚洲最大的岛屿，拥有世界上最纯净最原始的自然生态环境，也是亚洲古人类的发源地之一。
Borneo, the largest island in Asia, has the purest and original natural environment in the world, and it is also one of the birthplaces of ancient humans in Asia.
婆罗洲是亚洲最大的岛屿，拥有世界上最纯净最原始的自然生态环境，也是亚洲古人类的发源地之一。
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