Plio-Pleistocene
/ˈplaɪəʊˈplaɪstəʊsiːn/adjective
1- Geology of, relating to, or linking the Pliocene and Pleistocene epochs or rock systems together【地质】（与）上新更新世（有关）的; （与）上新更新世岩（有关）的。
1.1
- as noun
the Plio-Pleistocene
the Pliocene and Pleistocene epochs together or the system of rocks deposited during them上新更新世, 上新更新世岩。