| 单词 | Eocene |
| 释义 | Eocene (once / 9149 pages) n WORD FAMILY Eocene USAGE EXAMPLESIt could have triggered a rapid phase of global warming linked to the expansion of mammal groups during the Eocene time period. BBC(Oct 13, 2016) It’s immediate predecessor, the Pleistocene Epoch, died at over 2.5 million years old, while the Eocene Epoch survived to be nearly 22 million. Time(Aug 29, 2016) It’s the closest paleontologists can get to actually walking through a humid Eocene forest. Washington Post(Jul 22, 2016) n from 58 million to 40 million years ago; presence of modern mammals Syn|Exp Eocene epoch epoch a unit of geological time that is a subdivision of a period and is itself divided into ages |
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