Pliocene
/ˈplaɪəʊsiːn/adjective
1- Geology of, relating to, or denoting the last epoch of the Tertiary period, between the Miocene and Pleistocene epochs【地质】(与)上新世(有关)的。
1.1
- as noun
the Pliocene
the Pliocene epoch or the system of rocks deposited during it上新世; 上新世岩。
The Pliocene epoch lasted from 5.2 to 1.64 million years ago. Temperatures were falling at this time and many mammals were becoming extinct. The first hominids, including Australopithecus and Homo habilis, appeared.
词源
mid 19th cent.: from Greek pleiōn 'more' + kainos 'new'.