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	clap-net clap of thunder clapometer clap on clap one in clap (one) in irons clap one in irons clap (one) in jail clap one in jail clap (one) in(to) clap one into clap onto clapotage clapotement clap out clapp clapped clapped back clapped eyes on clapped eyes on her clapped eyes on him clapped eyes on it clapped eyes on me clapped eyes on one clapped eyes on them

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Middle Ordovician