| 单词 | Pleistocene |
| 释义 | Word Frequency Pleistocene(ˈplaɪstəˌsiːn) adjective 1. of, denoting, or formed in the first epoch of the Quaternary period, which lasted for about 1 600 000 years. It was characterized by extensive glaciations of the N hemisphere and the evolutionary development of humans noun 2. the Pleistocene Word origin C19: from Greek pleistos most + kainos recent |
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