The Pleistocene Epoch was an ice age.

更新世是一段冰河时代。

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The climate today is not as cold as it was in the Pleistocene.

现今的气候不像更新世时那么冷。

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They were the ancient Australian megafauna—huge animals of the Pleistocene epoch.

它们是古代澳大利亚的巨型动物——更新世时期的巨型动物。

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Phase Two, in the middle Pleistocene phase--700,000 years ago.

第二阶段,在更新世的中期,约七十万年前

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Phase One, the million and a half years ago, in the early--in the late--Miocene and early Pleistocene phases, there was shift where people were less likely to be just going out and gathering foods from every place they could find it.

第一阶段,一百五十万年前,在整个中新世以及更新世的早期,情况开始转变,人们不光靠,出门四处搜集食物

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"This study adds to a growing body of evidence about just how dramatic and tumultuous the Pleistocene climate actually was, " Dr Beth Shapiro, a scientist from Penn State University in the US, told BBC News.

BBC: Mammoths moved 'out of America'

That was during the Pleistocene Era.

NPR: Experts: CO2 Record Illustrates 'Scary' Trend

The research contributes to a more complex picture that has been emerging of humankind during the Late Pleistocene, the period when modern humans left Africa and started to colonise the rest of the world.

BBC: DNA identifies new ancient human dubbed 'X-woman'