The preceding Palaeocene epoch was also brought to an end, the rocks suggest, by a sudden release of methane.

岩石层研究表明甲烷的突然释放导致了之前的古新世时期结束。

Humans weren't at risk of dying out during the PETM, because we didn't exist.

在古新世–始新世极热事件时人类并没有濒临灭绝的危险，因为我们还不存在。

The latest discovery, he said, helps show a clear connection between the two areas during the Paleocene period.

他说，最新的发现有助显示这两个地区在古新世时期的明显联系。

So, by the middle of the Paleocene Epoch, animal life was on the rebound.

因此，到了古新世中期， 动物生命开始反弹。

Sometime during the late Paleocene, Titanoboa  disappeared from the lowland tropics of northern Colombia.

在古新世晚期的某个时，泰坦巨蟒从哥伦比亚北部的低地热带地区消失了。

But it would've looked smol next to some of its Paleocene relatives from New Zealand.

但如果与来自新西兰的一些古新世近亲相比，它会显得微不足。

The Paleocene-Eocene Thermal Maximum, 55 million years ago, was so warm, crocodiles swam the waters of the Arctic Circle.

5500 万年前的古新世-始新世极热期非常温暖，以至鳄鱼在北极圈的水域中游来游去。

From there, they made it to Antarctica by the late Paleocene, between 59 million and 56 million years ago.

从那里，他们在 5900 万到 5600 万年前的古新世晚期到达了南极洲。

This period  of warming, known as the Paleocene-Eocene Thermal Maximum or PETM, was likely caused by  a combination of natural factors.

这一变暖时期被称为古新世-始新世极热事件或PETM，可能是由多种自然因素造成的。

These animals flourished in the superheated  jungles of the mid to late Paleocene, but none more than the colossal serpent, Titanoboa.

这些动物在古新世中后期的过热丛林中繁衍生息，但其中最重要的莫过巨蛇泰坦巨蟒。

Had Titanoboa survived beyond the PETM, it would have faced more challenges in the millions of  years between then and now.

如果泰坦巨蟒能够在古新世始世以来的时期幸存下来，那么从那时到现在的数百万年里， 它将会面临更多的挑战。

And it couldn't fly, but it used those short wings to propel itself into the coastal waters of the Paleocene Epoch.

而且它不会飞，但是它用那短小的翅膀将自己推进到古新世的近海海域。

Planocraniidae first showed up in the Paleocene Epoch about 61 million years ago, starting with a species from China known as Planocrania hengdongensis .

Planocraniidae 最早出现在大约 6100 万年前的古新世时期，最早出现的是来自中国的一种名为 Planocrania hengdongensis 的物种。

So I found this down by the Bow River here in Calgary, and this is part of some kind of sycamore plant from the Paleocene.

我在卡尔加里的弓河边发现了这个，这是古新世某种梧桐植物的一部分。

From there, true penguins probably evolved in what's now New Zealand in the early Paleocene Epoch, around 61 million years ago, with Waimanu and its relatives.

从那里开始，真正的企鹅可能在大约 6100 万年前的古新世早期与怀马努及其亲戚一起在现在的新西兰进化。

During the Late Paleocene and early Eocene, the global average temperature rapidly increased  by about 5 degrees Celsius, an event known as the Paleocene-Eocene Thermal Maximum or PETM.

在古新世晚期和始新世早期，全球平均气温迅速上升约 5 摄氏度，这一事件被称为古新世-始新世极热期 (PETM)。

The world's biggest snake thrived for a couple million years in the Paleocene Epoch, its giant lifestyle made possible by the extreme climate at the time.

世界上最大的蛇在古新世时期繁衍生息了几百万年，当时的极端气使其成为可能。

Titanoboa lived just a few million years before global temperatures spiked even higher, in an event known as the Paleocene-Eocene Thermal Maximum, which we've talked about before.

泰坦巨蟒在全球温度飙升至更高温度之前仅存在了几百万年，这一事件被称为古新世-始新世极热事件，我们之前已经讨论过。

Back at the start of the Eocene Epoch, the world was in the clutches of the Paleocene-Eocene Thermal Maximum, and warm, damp forests covered the land from pole to pole.

早在始新世初期，世界就处古新世-始新世极热期的控制之下，温暖潮湿的森林覆盖了南北两极的土地。

During the Paleocene Epoch, which began about 66  million years ago, the king of the primeval world was not Tyrannosaurus Rex or Spinosaurus but a  colossal snake lurking in the warmest, wettest corners of South America.

在大约 6600 万年前的古新世，原始世界的王者不是霸王龙或棘龙，而是潜伏在南美洲最温暖、最潮湿的角落的一条巨蛇。