Trilobites were an important part of this surge.

三是这波爆增潮的重点动物。

Was it the " Please don't show me another picture of a trilobite" vibe?

是“别再给我看三照片” 的电吗？

All trilobites had three lengthwise lobes, but building off the same basic components, they varied greatly.

所有的三都有三块，虽然都是由同样的基本元素组成，它们的变化非常多。

Many trilobites plowed or burrowed into the seafloor while others swam freely.

许多三会在海底犁地或挖洞，其他的则自在地游泳。

With so much time at their disposal, the trilobites proliferated prodigiously.

三有那么漫长的支配时间，因此数量激增加。

Like modern arthropods, trilobites had compound eyes composed of many tiny lenses.

就像现代的节肢动物，三也有由许多小晶体组成的复眼。

These lenses allowed trilobites to form sharp images and quickly sense changes in light.

这些晶体让三看见锐利的影像，并快速察觉光线的改变。

Shelly creatures such as trilobites and brachiopods, of whose ancestors there is little sign in the rocks, are suddenly everywhere.

像三、足动物此般壳类动物的祖先没有在岩层中留下什么痕迹，但它们的遗迹却突然间比比皆是。

From about five hundred million years ago, big creatures became much more common, from trilobites to trees to tyrannosaurus rex.

从大约五亿年前开始，大型生物变得更加常见，从三到树木再到雷克斯霸王龙。

This was the beginning of what would prove to be the trilobite's long demise.

后来证实，这就是三漫长灭绝之路的开端。

Finding a complete trilobite fossil is still a big moment for a paleontologist.

发现一块完整的三化石对古生物学家来说，仍是一件大事。”

A single-file line of traveling trilobites, all facing the same direction, were caught in a sediment avalanche 480 million years ago.

科学家在4.8亿年前发生的沉淀物雪崩中，发现了一排面朝同一方迁徙的三。

Some creatures like trilobites and brachiopods survived though.

不过，一些生物如三和足动物幸存下来。

Everyone knows what a trilobite looks like, or a theropod track.

每个人都知道三长什么样，或者兽脚类足迹的样子。

So they created a new Eden around the trilobites, God's first created beings.

于是，他们围绕三创造了一个新的伊甸园，视其为上帝创造的首批生物。

So the trilobites come to attention actually around 1815, 1820.

因此，三大约在1815年至1820年间引起了人们的关注。

It was one of the early crustaceans called Trilobites.

它是一种叫做三的早期甲壳类动物。

He would go on to become the trilobite man's trilobite man.

他将继续成为“三人”中的佼佼者。

And the first of these new animals to become truly widespread were the trilobites.

这些新动物中第一个 真正广泛传播的动物是三。

Trilobites have no direct descendants, but their evolutionary cousins are alive and well.

三没有直系的后代，但它们在演化上的表亲现在仍然活得很好。