trace中等

They then traced how the animals spread across the rest of the continent into Europe and Asia about 2,500 years later.

随后他们追踪了这些动物如何扩散到非洲大陆的其他地区，并在大约2500年后进入欧洲和亚洲。

(46) Tracing the history of the term, we can see how the definition of scientific literacy has shifted over time, muddying the waters when it comes to determining the goals of science education.

(46) 追溯这一术语的历史，我们可以看到科学素养的定义是如何随着时间推移而变化的，这使得确定科学教育的目标变得更加混乱。

tracing

追踪

Tracing the History of Parenting: from Africa to Europe

追溯育儿史：从非洲到欧洲

The development of the Elizabethan drama for the next twenty-five years is of exceptional interest to students of literary history, for in this brief period we may trace the beginning, growth, blossoming, and decay of many kinds of plays, and of many great careers.

此后二十五年伊丽莎白时代戏剧的发展，对研究文学史的人来说格外有意义，因为在这短短的时期内，我们可以追溯许多种戏剧以及许多伟大事业的开端、成长、繁荣与衰落。

trace

追踪

After Pickwick, Dickens plunged into a bleaker world. In Oliver Twist, he traces an orphan’s progress from the workhouse to the criminal slums of London. Nicholas Nickleby, his next novel, combines the darkness of Oliver Twist with the sunlight of Pickwick. The popularity of these novels consolidated Dickens as a nationally and internationally celebrated man of letters.

在《匹克威克外传》之后，狄更斯投入到一个更加阴暗的世界。在《雾都孤儿》中，他追述了一个孤儿从济贫院到伦敦犯罪贫民窟的历程。他的下一部小说《尼古拉斯·尼克尔贝》融合了《雾都孤儿》的黑暗和《匹克威克外传》的明朗。这些小说的流行巩固了狄更斯作为一位享誉国内外的文学家的地位。

Now, researchers have used genomes of over 200 donkeys to trace their domestication back to a single event around 7,000 years ago in East Africa — about 3,000 years before humans tamed horses.

如今，研究人员利用200多头驴的基因组，将驴的驯化追溯到大约7000年前发生在东非的一次单一事件——比人类驯服马早了约3000年。

(47) Here, Darwinism seems to offer justification, for if all humans share common origins, it seems reasonable to suppose that cultural diversity could also be traced to more constrained beginnings.

(47) 在这方面，达尔文学说似乎提供了理据，因为如果全人类有着共同的起源，那么假定文化多样性也能追溯到更为有限的源头似乎就是合理的。