For millennia, it was impossible to know.

数千年来，都是不解之。

The parasite has plagued man for millennia.

疟疾祸害人类千年.

There were already people living here for millennia.

已有人美洲大陆上生活上千年了。

It's a record of tsunami occurrences over the past three millennia.

是过去三千年发生海啸的记录。

Wisdom teeth have been around for millennia.

智齿已存了几千年。

Curvy bodies have been around for millennia.

凹凸有致已存数千年。

They're still there. He shrugged. As they have been for who knows how many millennia.

“他们还那里。”他耸耸肩。“他们那里不道待了几千年。

I mean, it's one of three meals that have existed for millennia.

数千年来的三餐之一啊。

For millennia, this creature was insignificant, weak and unremarkable.

几千年来，种生物都是微不足道，羸弱而平凡。

People have lived here with hunter gatherers for millennia.

几千年来，人们一直和狩猎采集者一起生活里。

They could have orbits that last for millennia or more.

它们的公转周期可能会持续数千年甚至更久。

Wolves and bears have competed for millennia in these rich modern forests.

富饶的森林里，狼和熊的竞争已有数千年。

For more than three millennia, Aleppo has been a crossroads for traders.

超过3千年来, 阿勒波对贸易者们而言一直是个十字路口。

Pando has survived many millennia of changing climates and encroaching ice.

过几千年的气候变化和冰川侵蚀，潘多存活了下来。

Aspens like these have survived countless challenges in the centuries, even millennia that they've been here.

像样的颤杨几个世纪以来甚至几千年来都历了无数的挑战。

Two and a half millennia ago, Socrates complained that writing would harm students.

两千五百年前，苏格拉底抱怨写字会伤害学生。

People have recycled their urine and feces for a long time, for millennia.

几千年来，人们一直回收自己的尿液和粪便。

The question of how life came to be has captivated humans for millennia.

几千年来，“生命是如何形成的”个问题一直困扰着人类。

A wax fan that has crossed thousands of millennia without losing a feather.

蜡质扇子历了千万年光阴都没少一片扇羽。

Of course, our technology is far more advanced than what they had seven millennia ago.

当然，现我们的技术比7000年前要先进得多。