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

他们在温暖的时期进入该地区，称为间冰期。

The arabica plants did well during warm, wet periods and suffered through dry ones.

在温暖潮湿的时期，阿拉比卡植物生长良好，而在干燥的时期，它们的生长就会受到影响。

It's a warm period during the fall of the year.

这是一年中秋天的温暖时期。

But during the warmer interglacial periods, forests bounced back.

但在温暖的间冰期，森林恢复了活力。

The fossil record shows Castoroides repeatedly invaded the Arctic during those warmer, wetter periods.

化石记录显示， 在那些更温暖、多雨的时期， Castoroides 反复入侵北极。

And it looks like the giant beaver came and went with those warm periods.

看起来巨型海狸随着那些温暖的时期来来去去。

Yes, there have been other warm periods in Earth's history— no one's disputing that the climate fluctuates.

是的，地球历史上还有其他温暖时期——没有人质疑气候波动。

Both snakes lived during exceptionally warm climate periods, said Cambridge University fossil scientist, Jason Head, who was not involved in the study.

剑桥大学化石科学家杰森·海德没有参与这项研究，他表示，这两条蛇都生活在异常温暖的气候时期。

Now, during warm periods, the light oxygen evaporates and falls to the earth as rain, and then it runs back into the sea.

在暖期，轻态氧气蒸发，以雨水的形式降落地球，然后流回大海。

One of them is that the Native Americans – or American Indians, as we now call them – went out and harvested their crops during this warm period.

其中之一是美洲原住民——或我们现在所说的美洲印第安人——在这个温暖的时期外出收割庄稼。

This warming may have been caused by the drying of inland seas and release of methane, a potent greenhouse gas, from ocean sediments, Even among these other warm periods, you're making a false analogy.

这种变暖可能是由于内陆海域的干燥和海洋沉积物中甲烷（一种强效温室气体）的释放造成的，即使在这些其他温暖时期，你也在做一个错误的类比。