名詞 pliocene:

1. from 13 million to 2 million years ago; growth of mountains; cooling of climate; more and larger mammals
   同義詞：Pliocene epoch

Pli.o.cene

adj.（形容詞）
Of, belonging to, or designating the geologic time, rock series, and sedimentary deposits of the last of the five epochs of the Tertiary Period, characterized by the appearance of distinctly modern animals.See table at geologic time
上新世的：上新世的、屬于或表示第三紀五世中最后一世的地質(zhì)時代、巖石系列和沉積物的，以明顯地出現(xiàn)現(xiàn)代動物為特征參見 geologic time
n.（名詞）
The Pliocene Epoch or its system of deposits.
上新世，上新世巖：上新世或它的沉淀系統(tǒng)

來源：
Greek pleiôn [more] * see pel…-
希臘語 pleiôn [更多的] *參見 pel…-
-cene
-cene