And that, Lane and Martin conclude, may well explain why complex life — eukaryotes — only evolved once in all of Earth's history.

莱恩和马丁总结而这很可能解释为什么复杂的生命——真核生物——在地球的历史上仅进化了一次。

youdao

Written language may have evolved more than once in human history.

在人类历史长河中，手写语言演化了不仅仅一次。

youdao

Then we'll take a look back at the history of how various file systems evolved and why new ones were introduced.

然后我们将会拿的回顾各种不同的文件系统如何进展和新的为什么被介绍的历史。

youdao

If the food environment had evolved very slowly, as it had in earlier human history, the body would have a chance to adapt.

如果食品环境演化很缓慢,像它在人类早期历史时那样,机体就有机会去适应这样的食品环境

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

The goal is to learn much more about how the universe evolved over its history.

FORBES: NASA Joins ESA Hunt For Dark Energy And Matter

Shakespeare's story evolved from a history penned by Sir Thomas More more than two decades after Richard died in the Battle of Bosworth in 1485.

CNN: Back from the grave, King Richard III gets rehab

This is true regardless of the actual history of how marriage evolved.

FORBES: There is Such a Thing as Redistribution