| 单词 | Oligocene |
| 释义 | Oligocene (once / 63545 pages) n WORD FAMILY Oligocene USAGE EXAMPLESTo this day, no other place on earth is known to be as rich in fossils of Oligocene mammals. Washington Times(Oct 03, 2016) But back in the Oligocene, you would have had a climb ahead of you. Scientific American(Jan 15, 2015) A few Eocene and Oligocene nests suggested to be those of ducks have been mentioned or illustrated but not described in any detail. Scientific American(Jan 27, 2014) n from 40 million to 25 million years ago; appearance of sabertoothed cats Syn|Exp Oligocene epoch epoch a unit of geological time that is a subdivision of a period and is itself divided into ages |
| 随便看 |
英语词典包含147318条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。