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

声音是我们沟通的主要方法，经过了数千年的演化。

Plants have evolved over millennia using the strong gravity on Earth.

利用地球上的强大引力，植物已经进化了数千年。

And the third is to preserve the voice over millennia.

第三种是让声音可以保存数千年。

Relationships between species evolve over millennia, but they can be destroyed in just a matter of years.

物种之间的这种联系用了几千年才建立起来，但是要摧毁它们只需短短的几年。

In speech, in different acoustic situations, in the presence of competing sounds and in song, over millennia.

比如说话、不同的听觉情境、竞争声音出现时，以及歌曲，数千年来一直如此。

These traditions, imbibed over millennia, play a crucial role in informing contemporary expression.

这些传承了数千年的传统在当代表达方式中发挥着至关重要的作用。

These include preferences for different marine prey species and the collaborative strategies used to locate, hunt and kill them, potentially honed over millennia.

这些行为包括对不同海洋猎物物种的偏好，以及用于定位、狩猎和杀死猎物的协作策略，这些策略可能经过数千年的磨练。

Some of them accumulated their bones over millennia, while others formed in months or even days.

它们中的一些骨头经过数千年的积累，而另一些则在数月甚至数天内形成。

The hand of God, the Nike swoosh and the swastika: they all demonstrate how we've been manufacturing meaning with visual language over millennia.

神之手，耐克对勾，和 “卐” 字：它们都显示了数千年以来，我们如何使用视觉语言创造意义。

The Earth's crust is rich in calcium, and over millennia these deposits have seeped into rivers and oceans.

地壳富含钙，几千年来这些沉积物已渗入河流和海洋。