Near the end of an era called the carboniferous, earth started to cool.

在石炭时代末期，地球开始降温。

To interpret rocks, there needs to be some means of correlation, a basis on which you can tell that those carboniferous rocks from Devon are younger than these Cambrian rocks from Wales.

若要解释岩石，你非得有某种比的东西。在这个基础上，你可以知道德文的那些石炭岩石要比威尔士的这些寒武岩石年轻。

New research is providing a deeper understanding of Whatcheeria, which lived around 330 million years ago during a time known as the Carboniferous period.

新的研究让人们瓦切螈有更深入的解，它生活在大约3。3亿年前被称为石炭的时期。

And even further, there hasn't been any glacial activity here since the carboniferous ended nearly 300 million years ago.

此外，自近 3 亿年前石炭结束以来，这里就没有出现过任何冰川活动。

Oxygen levels in the Devonian and Carboniferous periods, when terrestrial life first bloomed, were as high as 35 percent (as opposed to nearer 20 percent now).

在陆地生命大幅度增加的泥盆和石炭，空气中的氧的浓度高35%（现在是将近20%）。

In Carboniferous forests dragonflies grew as big as ravens.

在石炭的森林里，蜻蜓长大得像乌鸦。

359 Million Years Ago in the Carboniferous forests and lush marshlands are at their peak.

3.59亿年前，在石炭，森林和茂盛的沼泽地鼎盛时期。

Over time, elaborate new cave systems were formed, like Britain's Triassic caves carved from carboniferous limestone (Tyherington in  Gloustershire), which provided yet more unique habitats for life to exploit.

随着时间的推移， 复杂的新洞穴系统逐渐形成，例如英国的石炭石灰岩雕刻而成的三叠洞穴（位于格洛斯特郡的泰赫灵顿），为生命提供更多独特的栖息地以供开发利用。

And eventually, some hairless ape dug it up and burned it, releasing the energy that the scale trees absorbed from the Carboniferous sun over 300 million years ago.

最终， 一些没有毛发的猿类把它挖出来燃烧它，释放出鳞木目植物在3亿多年前从石炭太阳吸收的能量。

A big trackway discovered in Carboniferous rock in Scotland has been attributed to Hibbertopterus.

在苏格兰发现的一条大型足迹带被归因于希伯特翼蝎。

During this dry period around 300 million years  ago in the Carboniferous period, several species emerged that are still important today, including:   dragonflies, millipedes and spiders.

在约3亿年前的石炭时期， 尽管当时处于一个相干燥的阶段，但仍有一些至今仍极为重要的物种崭露头角，如：蜻蜓、千足虫和蜘蛛。

Iberospondylus, for example, was a Carboniferous genus that thrived in coastal environments in what's now Spain.

例如，伊比罗扁头类是一种在现在的西班牙沿海环境中繁盛的石炭属。

It lived in the Inland Seas of North America 300 million years ago at the very end of the carboniferous period.

它生活在3亿年前卡伦末期的北美内陆海域。