But some might be the ancestors of the Cambrian megafauna.

但是他们中一些可能就是寒武纪大型动物祖先。

During the Cambrian Period, many major animal groups first appeared on Earth.

寒武纪时期，地球首许多主要生物群。

In fact, says Fortey, there are relatively few Cambrian designs that are wholly novel.

实际，福泰说：“寒武纪造型只有几种是完全新。

Scientists call the period between about 541 million to 530 million years ago, the Cambrian explosion.

科学家将大约5。41亿到5。3亿年前这段时间称为寒武纪大爆发。

But it would take you twenty years to reach the dawn of the Cambrian period.

但是，你要花20年时间才能达寒武纪初期。

But basically, you know, the 90s and internet feels like a pre-Cambrian era when there were only sponges.

但基本，你知道，90年代和互联网给人感觉就像前寒武纪时代，那时只有海绵宝宝。

Shortly after the Cambrian explosion, mud slides rapidly buried thousands of marine animals under conditions that favored fossilization.

在寒武纪大爆发后不久，滑落泥土迅速掩埋了成千海洋动物，形成了极有利于化石形成环境。

The real business of complex life, in other words, started with the Cambrian explosion.

换句话说，正经八百复杂生命始于寒武纪大爆发。

Back in the Cambrian, new phyla and new classes arose. Nowadays we only get new species!

而在寒武纪，新门和新纲不断产生。如今我们只有新种！”

In the context of the Cambrian, explosion would soon have more to do with modern tempers than ancient physiological facts.

联系到寒武纪氛围，“爆发”很快跟代人脾气，而不是跟古代生理事实更有关系。

Alas, it turns out the Cambrian explosion may not have been quite so explosive as all that.

啊呀！寒武纪大爆发被证明也许并非爆发得那样厉害。

In fact, we now know, complex organisms existed at least a hundred million years before the Cambrian.

实际，在我们知道，复杂生物至少在寒武纪l亿年以前已经存在。

Mr Volpi talks of a " Cambrian explosion" .

沃尔皮先生谈到" 寒武纪大爆发" 。

That explosion is the Cambrian, and it's where we are now.

那爆发就是寒武纪，也就是我们在所处位置。

The earliest fossils that scientists are relatively sure are animals come from around 550 million years ago, just before the Cambrian explosion.

科学家相对确定为最早动物化石来自于大约5.5亿年前，恰好在寒武纪大爆发之前。

A billion years after that, 3.5 billion years after life started, is the extraordinary Cambrian explosion.

10亿年后， 也就是生命开始后35亿年，是非凡寒武纪大爆发。

But by the middle Cambrian, a new use for digging had evolved.

但到了寒武纪中期，挖掘了一种新用途。

There's a singularity and a brief burst explosionfor 40 million years of the Cambrian explosion.

寒武纪大爆发有一个奇点和一短暂爆发，持续了四千年。

Like the Cambrian event, the GOBE was brought on by a host of changes in the environment.

与寒武纪事件一样，GOBE 是由环境一系列变化引起。

This then enabled the rise of carnivores, which in turn spurred a productive arms race, resulting in what's known as the Cambrian explosion.

这就促成了食肉动物，它们激起了一场繁殖力竞赛，最后演变为我们所知寒武纪大爆发。