In Carboniferous forests dragonflies grew as big as ravens.

石炭纪的森林里，蜻蜓长到大得像乌鸦。

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

石炭纪时代，球开始降温。

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 亿年前石炭纪结束以来，这里就没有出现过任何冰川活动。

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

3.59亿年前，石炭纪，森林和茂盛的沼泽达到了鼎盛时。

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

苏格兰发现的一条大型足迹带被归因于希伯特翼蝎。

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

如，伊比罗扁头类是一种现的西班牙沿海环境中繁盛的石炭纪属。

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

新的研究让人们对瓦切螈有了更深入的了解，它生活大约3。3亿年前被称为石炭纪的时。

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

它生活3亿年前卡伦纪的北美内陆海域。

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).

陆生命大幅度增加的泥盆纪和石炭纪，空气中的氧的浓度高达35%（现是将近20%）。

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.

约3亿年前的石炭纪时， 尽管当时处于一个相对干燥的阶段，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。

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了出来并燃烧了它，释放出了鳞木目植物3亿多年前从石炭纪太阳吸收的能量。

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，你非得有某种并置对比的东西。这个基础上，你可以知道德文的那些石炭纪岩石要比威尔士的这些寒武纪岩石年轻。

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，如英国的石炭纪石灰岩雕刻而成的三叠纪洞穴（位于格洛斯特郡的泰赫灵顿），为生命提供了更多独特的栖息以供开发利用。