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	serbo serbo-croat serbo-croatian serbo-croatian language serbo-montenegrin-turkish wars of 1876–78 serbonian serbonian bog serboslavia serbs serbs, croats, and slovenes serbs, croats, and slovenes, kingdom of the serbskii, vladimir serbskii, vladimir petrovich serb sparta serc serca serca1 serca2 serca3 sercaa sercain sercc serceb serces serch

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Middle Ordovician