For millennia, it was impossible to know.

数千年来，这些都是不解之谜。

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.

这是过去三千年发生海啸的记录。

Wisdom teeth have been around for millennia.

智齿已了几千年。

The parasite has plagued man for millennia.

疟疾祸害人类千年.

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。“他们那里不知道待了几千年。

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，潘多活了下来。

It will take millennia to reach the target galaxy.

因为信息要花上千年才能到达目标星系。

Curvy bodies have been around for millennia.

凹凸有致已数千年。

That information enables researchers to determine rainfall patterns over the millennia.

这些信息使研究人员能够确定几千年来的降雨模式。

As fauna and flora flourish, Earth's climate slowly recovers from millennia of human impact.

随着动植物的繁衍，地球的气候逐渐从人类数千年的影响中恢复过来。

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

像这样的颤杨几个世纪以来甚至几千年来都历了无数的挑战。

The practice of research in laboratories directly interacting with whatever matter you're studying goes back millennia.

实验室里直接与你所研究的任何物质相互作用的研究实践可以追溯到几千年前。

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，这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这里。

So we are hearing a voice from three millennia ago.

我们听到的声音来自三千年之前。

Voice is our main means of communication, evolved over millennia.

声音是我们沟通的主要方法，过了数千年的演化。

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。

What happens in the following days, years, and even millennia?

接下来的几天、几年甚至 几千年里会发生什么？