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Pleis·to·cene AHD[plīʹstə-sēn'] D.J.[ˈplaɪstəˌsiːn]K.K.[ˈplaɪstəˌsin]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
- Greek pleistos [most] * see pelə- 1希腊语 pleistos [大多数] * 参见 pelə- 1
- -cene -cene
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