在公元前3000年，男性开始从事记录、定义和解释事件的工作。

Males gained entry to the business of recording, defining and interpreting events in the third millennium B.C.

youdao

我认为在公元前2000年之前的世界上最重要的城市是伊拉克的乌尔。

My vote for the most important cities in the world in the period leading up to 2000 B.C. would be Ur, Iraq.

youdao

我认为在公元前2000年之前的世界上最重要的城市是伊拉克的乌尔。

My vote for the most important cities in the world in the period leading up to 2000 B.C. would be Ur, Iraq.

youdao

They did manage to establish a kingdom in the land that was known in antiquity as Canaan around the year 1000.

约公元前1000年时他们确实在那片叫迦南的土地上,立了一个自己的王国。

耶鲁公开课 - 旧约导论课程节选

If you want a real world example of this, think about the third Century B.C., someone can correct me afterwards.

现实世界也有这样的例子,大概在公元前三世纪,如果我说错了请大家来纠正

耶鲁公开课 - 博弈论课程节选

But if you think of the time span about 900 to 700 B.C., that is, when these changes are taking place.

但是如果你发现它发生在,大约公元前900年到700年之间时

耶鲁公开课 - 古希腊历史简介课程节选