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。

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

科大约5。41亿到5。3亿年前这段时间称为寒武纪大爆发。

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。

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

但基本上，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。

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上万海洋动物，形成了极有利于化石形成环境。

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

寒武纪时期，地球上首次出现许多主要生物。

The fall of the Ediacaran fauna was followed by the creative outburst of the Cambrian period.

埃迪亚卡拉动物落之后是寒武纪创造性爆发。

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！”

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

但是，你要花上20年时间才能抵达寒武纪初期。

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

实际上，福泰说：“寒武纪造型只有几种是完全新。

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

实际上，现在我们知道，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" 。

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。

AMONG the mysteries of evolution, one of the most profound is what exactly happened at the beginning of the Cambrian period.

在众多进化之谜中，其中意义最深远就是在寒武纪开始时期到底发生了什么。

Cambrian explosion and all this stuff.

寒武纪大爆发和所有这些东西。

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次短暂爆发，持续了四千万年。

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

科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。

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”很快跟现代人脾气，而不是跟古代生理上事实更有关系。

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

那次爆发就是寒武纪，也就是我们现在所处位置。

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。