An epoch is a much smaller geological time period.

epoch指的一个更小的地质时期。

It was the Tyrannosaurus-Rex before there was a Tyrannosaurus-Rex, both in terms of geological time and its discovery.

它霸王龙之前的霸王龙，从地质时和被发现的时上都如此。

Historically, sharks and humans haven't been around each other a lot, especially when you think in geological time scales.

鲨鱼一直和人类并不经常在一起，特别当你从地质时维度方面来考虑。

Extinction is a natural process, but it generally happens gradually over geological time, not in rapid succession, as is happening today.

灭绝一个自然过程，但通常随着地质时逐渐发的，而不像今天这样快速连续地发。

Balanced by natural selection, animal and plant populations have fluctuated wildly over geological time.

在自然选择的平衡下，动植物种群在地质时期内发了剧烈波动。

And 10,000 years is a, you know, blink in the eye of geological time.

一万年在地质时尺度上只眨眼之。

What did that look like for the vast, vast majority of geological time?

在漫长的地质年代中，那看起来什么样的呢？

Gosh, well, in geological time, it's kind of frozen marshland.

天哪，好吧，在地质时尺度上，它就像一片冻结的沼泽地。

That is because geological time is not like human time.

这地质时与人类的时不同。

Across geological time, a single event can have cascading consequences that influence the  evolution of species and ecosystems around the world.

纵观地质历史，单一事件可能会产连锁后果，影响世界各地物种和态系统的进化。

Because continental shelfs are gently sloping, this has led to dramatic changes in the land area of continents throughout geological time.

大陆架坡度平缓，这导致了地质时期内大陆陆地面积发了显着变化。

The authors aim is to give readers a proper sense of geological time so that they grasp at a visceral level.

作者的目标让读者正确理解地质时，从而在直观层面有所领悟。

But for whatever reason, the luck of long geological time in eastern Canada, there are some that are still They're still there.

但无论出于何种原， 或许东加拿大漫长地质时的幸运眷顾，一些化石依然完好无损地保存至今。

Mastodons and elephants used to live here no great geological time ago, as shown by their bones, often discovered by miners in washing gold-gravel.

很久以前，乳齿象和大象就曾在这里活过，从它们的骨头可以看出，矿工们经常在清洗金砾石时发现它们。

The AWG will present a dossier of evidence hoping to convince the voting bodies that the Anthropocene does represent a planetary change that requires a new geological time period.

AWG 将提交一份证据档案，希望能说服投票机构，人类世确实代表了一个需要一个新的地质时期的行星变化。

Much to his surprise Sir Charles told him that certain forms, like Terebratula, appeared to be identical from the beginning to the end of geological time.

令他大吃一惊的，查尔斯爵士告诉他，某些形式，如特雷布图，从地质时代的开始到结束似乎都相同的。

The Anthropocene Working Group was set up in 2009 and in 2016 concluded that the human-caused changes to Earth were so great that a new geological time unit was justified.

人类世工作组（AWG）成立于2009年，并于2016年得出结论，认人类对地球造成的变化如此之大，以至于有必要建立一个新的地质时单位。

Nowadays, and speaking very generally, geological time is divided first into four great chunks known as eras, Precambrian, Paleozoic, from the Greek meaning old life, Mesozoic, middle life, and Cenozoic, recent life.

现在, 一般来说, 地质时首先分四个大块, 称时代, 前寒武纪, 古代, 来自希腊语, 意思旧活, 中代, 中代和新代, 最近的活。

Mega tsunamis generated from a volcanic collapse like this appear to be common on a geological time scale as there is evidence to show that it's happened dozens of times in the Atlantic alone over the past million years.

在地质时尺度上，像这样的火山崩塌引发的巨型海啸似乎很常见，有证据表明，在过去的百万年里，仅在大西洋就发了几十次。

Well for me, as a sculptor, the acceptance of the material as a means of conveying the relationship between human-lived biological time and in a way the eons of geological time, is an essential condition of the waiting quality of sculpture.

身雕塑家，我认原料的材质反映了人类寿命的物时与永恒的地质时之的关系，雕像能够长存的基本条件。