他认为将人类送上火星会让我们学到很多东西，比如人类在一个大不相同的环境中生存的能力。

He thinks sending people to Mars will allow us to learn a lot of things—for example, the ability of humans to live in a very different environment.

youdao

比如人类胚胎会发育出腮、蹼足和退化的尾巴，映现出远古水生生物的性状。

Human embryos, for instance, develop, then lose, gills, webbed feet and rudimentary tails, reflecting their ancient aquatic life styles.

youdao

约翰逊：还有，最先进的物种，比如人类和类人猿，是数百万年前物竞天择的压力和基因突变两者结合作用下的产物。

Another thing: the most developed species, like humans and apes, are products of a very specific combination of selection pressures and genetic mutations over millions of years.

youdao

We have very different understandings of what we mean about the inherent human dignity when we bring in our, I mean, in my sense, particularly religious understandings.

使我们产生了各种不同的理解,比如对人类固有尊严含义的不同理解,在我看来，尤其是我们加入自己的，宗教理解时。

普林斯顿公开课 - 人性课程节选

Then we got into more deliberate hunting of animals, larger species were hunted and then you started to see humans eating things like mammoth, deer, horse, bison, and reindeer.

我们开始有意识地狩猎捕食,我们开始捕杀巨大的物种,于是你能发现人类食用大型动物,比如猛犸象,鹿,马,野牛及驯鹿

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

As time goes on, we've developed ever more complex machines to study people and we've talked about some of these already: EKG machines, so an example of an electrical device that can be used to monitor a very elaborate function deep inside your body, the beating of your heart and the rhythm of your heart.

如今,我们已经有功能更加复杂的设备,来研究人类,比如之前说到的心电图,我们使用电子装置,对身体内部机能进行精确地监控,具体到心电图就是心跳和心率

耶鲁公开课 - 生物医学工程探索课程节选