| 单词 | Permo-Carboniferous |
| 释义 | Permian /pûrˈmi-ən/ (geology)adjectiveOf or belonging to a period of the Palaeozoic era, between 300 and 250 million years ago (also noun) ORIGIN: Perm, in Russia Permo-Carbonifˈerous adjective Upper Carboniferous and Lower Permian (also noun) |
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