英语词汇“middle ordovician”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	middle ordovician
释义	Middle Ordovician Middle Ordovician [′mid·əl ‚ȯr·də′vish·ən] (geology) The geologic epoch occurring between the Upper and Lower Ordovician, beginning approximately 460,000,000 years ago.
随便看	consequent valley consequent valleys conser consert consertion conservable conservacion de la naturaleza amazonica del perú ac conservación internacional conservador de bienes raices conservancies conservancy conservancy association conservancy of british columbia conservancy of southwest florida conservant conservapedia obsessive compulsive disorder conservatee conservateur des antiquités et objets d'art conservatief accoord conservation conservation action team conservation agreement and strategy conservation agriculture conservational conservation and demand management

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Middle Ordovician