Even less well understood are the cycles of comparative balminess within ice ages, known as interglacials.

对于一个冰川内被称为间冰一段气候相对暖和时，我们对其周尤其缺乏了解。

They moved into the area during warm periods, called interglacial periods.

他们在温暖时进入该地区，称为间冰。

The records show cold years with long stretches of early ice, warm years with less.

记录显示，寒冷年份会有一个较长时间冰，而温暖年份则相对较短。

But in the cave, a second, super-sized ice age monster was found.

不过在穴里，又发现了第二只超大冰怪兽。

And now we have Tierney's new results on the temperature difference between glacial and interglacial conditions.

现在我们还掌握了蒂尔尼关于冰和间冰之间温差研究新结果。

At the end of the Ice Age, the huge lion and the gigantic bear were pushed to desperate measures.

在冰末，巨大狮子和熊被逼得孤注一掷。

We're coming to the end of the Pleistocene, the end of the Ice Age.

我们来到更新世末，是冰尽头。

The end of the Ice Age saw a world that was melting away.

在冰末整个世界冰消雪解。

To answer that, we have to go back to the mighty ice age glaciers that covered almost half the continent.

为了回答这一问题，我们需要回到冰河时代，看看覆盖了半片大陆大冰冰川。

The Ice Age favored power over speed.

冰钟爱力量多过速度。

The other Great Lakes' ice seasons are shrinking as well, by an average of about half a day per year.

其他五大湖冰也在减少，平均每年减少约半天。

Laying 30 meters below the opening in an underground cavern, they found the remains of thousands of ice age mammals.

在口下方30米处一个地下穴，他们发现了数千具冰哺乳动物遗骸。

The end of the Ice Age set off a major movement of species.

冰末引发了物种大规模移动。

Within that, you have cycles of “glacial periods” and “interglacial periods”.

其中，你有“冰” 和“间冰” 循环。

The thinner atmospheric blanket caused Earth's first, and possibly longest, ice age, the Huronian Glaciation.

稀薄大气层引发了地球上首次，也可能是持续时间最长冰——休伦冰。

But geologists call it the Last Glacial Maximum.

但地质学家称之为末次盛冰。

And now we have Tierney's new results on the temperature difference between glacial and interglacial conditions.

而现在我们有了蒂尔尼关于冰和间冰温度差异新研究成果。

But during the warmer interglacial periods, forests bounced back.

但在温暖间冰，森林又恢复了。

Because the Holocene is defined as having begun when the last major Ice Age ended.

因为全新世被定义为从最后一个重大冰结束时开始。

So we got the OD, we got the YD.

所以我们有了末次冰，也有了新仙女木。