| 单词 | Eocene |
| 释义 | Eocene /ēˈō-sēn/ (geology)adjectiveOf or belonging to an epoch of the Tertiary period, between 55 and 34 million years ago (also noun) ORIGIN: Gr ēōs daybreak, and kainos new, from the very small proportion of living species of molluscs among its fossils; cf Miocene and Pliocene |
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