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

对于一冰川期内被称为间冰期的一段气候相对暖和的时期，对其周期尤其缺乏了解。

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

他温暖的时期进入该地区，称为间冰期。

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

洞穴里，又发现了第二只超大的冰期怪兽。

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

记录显示，寒冷的年份会有一较长时间的早期冰期，而温暖的年份的则相对较短。

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

现掌握了蒂尔尼关于冰期和间冰期之间的温差研究的新结果。

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

冰期末期，巨大狮子和熊被逼得孤注一掷。

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

冰期末期整世界冰消雪解。

The Ice Age favored power over speed.

冰期钟爱力量多速度。

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，需要回到冰河时代，看看覆盖了半片大陆的大冰期冰川。

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

其他五大湖的冰期也减少，平均每年减少约半天。

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

冰期的末期引发了物种的大规模移动。

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

洞口下方30米处的一地下洞穴，他发现了数千具冰期哺乳动物的遗骸。

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

来到更新世的末期，是冰期尽头。

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

其中，你有“冰期” 和“间冰期” 的循环。

But geologists call it the Last Glacial Maximum.

但地质学家称之为末次盛冰期。

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

现有了蒂尔尼关于冰川和间冰期温差的新结果。

But during the warmer interglacial periods, forests bounced back.

但温暖的间冰期，森林恢复了活力。

During previous interglacial periods, when glaciers retreated, they left behind open land in their wakes.

以前的间冰期，当冰川退缩时， 它留下了开阔的土地。

We’re just in the middle of an interglaciation.

正处于间冰期的中间。

We’re currently in an interglacial period called the Holocene.

目前正处于一称为全新世的间冰期。