释义 |
Plei.sto.ceneHplaI7stEJ7si:n, $-stoJ-adj [not gradable], n(of) the period in the Earth's history which lasted from about 2 000 000 years ago to about 10 000 years ago, during which much of the northern part of the Earth was covered with ice更新世These are thought to be Pleistocene rocks.这些岩石据认为是更新世时期的。It was during the Pleistocene that the earliest humans appeared. [U]最早的人类是在更新世时期出现的。
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