For millennia the average person's stance toward providing for himself had been, ultimately I'm on my own.

几千年来，一般人对于养活自己的立场是，最终我要靠自己。

youdao

Arching 275 feet and across 290 feet, Rainbow Bridge in the Utah desert has been a source of inspiration and wonderment for millennia.

拱高275英尺，跨度290英尺，犹他州沙漠里的彩虹桥一直是几千年来的灵感和奇迹的来源。

youdao

In the years since the Pleistocene epoch, native species have adapted to the changing environmental there, plants, smaller animals, they have been evolving without megafauna for millennia.

在更新世以来的这些年里，当地的物种已经适应了那里不断变化的环境，植物，小动物，它们已经在没有巨型动物的情况下进化了几千年。

youdao

"Rinderpest affected Africa, Asia and Europe for millennia and caused widespread famine and decimated millions of animals, both domestic and wild."

VOA: special.2010.11.02

Long before Milton had begun to tackle the problem, Christians had for centuries, for millennia, puzzled over the logical inconsistency between these two concepts.

早在弥尔顿应对这个问题之前，基督教徒们就已经花了成百上千年，为这两个概念之间逻辑上的前后矛盾感到困惑。

耶鲁公开课 - 弥尔顿课程节选

If they can organize as well in Yemen or Somalia or someplace else, then why fight in Afghanistan where no one has been successful for millennia?" U.S.public-opinion surveys show declining support for the war in Afghanistan.

VOA: standard.2009.11.23

For millennia, human society has struggled with what to do with young men's violent tendencies.

CNN: The overwhelming maleness of mass homicide

For millennia man has been changing the landscape, hacking and burning forests and ploughing up grasslands.

ECONOMIST: Climate change

For millennia, humans have thrived using the most basic and readily accessible forms of energy.

FORBES: Hurricanes Drive Home Appeal Of Alternative Energy Sources