| 单词 | Paleocene |
| 释义 | Paleocene (once / 622069 pages) n WORD FAMILY Paleocene USAGE EXAMPLESHe held up the skull of Barney, the Paleocene rodent. Jerry Spinelli, Stargirl(2000) The oldest known hedgehog is about 57 million years old, dating to the late Paleocene. New York Times(Jul 14, 2014) So this strange Asian Paleocene mammal turns out to be a very early side branch of the pangolin family tree. Scientific American(Aug 29, 2012) n from 63 million to 58 million years ago; appearance of birds and earliest mammals Syn|Exp Paleocene epoch epoch a unit of geological time that is a subdivision of a period and is itself divided into ages |
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