| 单词 | paleogene | 
| 释义 | Paleogene in British English (ˈpælɪəʊˌdʒiːn) adjective   a variant spelling of Palaeogene Paleogene in American English (ˈpeɪliəˌdʒin)  adjective  [sometimes p-]   designating or of the first geologic subdivision of the Tertiary Period, subdivided into the Paleocene, Eocene, and Oligocene epochs  Idioms:   the Paleogene  | 
	
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