the Pleistocene Epoch

基本解释

These aquifers were created during the Pleistocene epoch, between 12,000 and 2.5 million years ago, and lack the organic carbon that is needed for arsenic to leach into water.
这些蓄水层是在更新世形成的，它们形成于12000至250万年之前，并且缺少能够使砷渗入水中的有机碳。
Nevertheless, researchers of the pleistocene epoch have developed all sorts of more or less fanciful model schemes of how they would have arranged the Ice Age had they been in charge of events.
虽然如此，更新世的研究者们研制出各种各样多少带有异想天开色彩的模型体系，以表明倘若由他们负责处理地质事件的话，他们将如何来安排整个冰川期。
As early as the Pleistocene Epoch, China saw the inhabitation of early human beings.
早在更新世初期，就有人类在我国的土地上生活。

In my era — the Proto-Pleistocene Bowie Epoch — there was no such animal as a paid personal tutor.
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