Pleistocene

名词 pleistocene:

1. from two million to 11 thousand years ago; extensive glaciation of the northern hemisphere; the time of human evolution
   同义词：Pleistocene epoch, Glacial epoch

Pleis.to.cene

adj.（形容词）
Of, belonging to, or designating the geologic time, rock series, and sedimentary deposits of the earlier of the two epochs of the Quaternary Period, characterized by the alternate appearance and recession of northern glaciation and the appearance of the progenitors of human beings.See table at geologic time
更新世的：属于或标志第四纪的两个时期中较早时代的地质时期、岩石系列和沉积矿床的，这一时期以互生外貌、北方冰蚀退缩和人类祖先的出现为特征参见 geologic time
n.（名词）
The Pleistocene Epoch or system of deposits.
更新世时期或更新世沉积物系统

来源：
Greek pleistos [most] * see pel…-
希腊语 pleistos [大多数] *参见 pel…-
-cene
-cene