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

单词	lower ordovician
释义	Lower Ordovician Lower Ordovician [′lō·ər ‚ȯr·də′vish·ən] (geology) The earliest epoch of the Ordovician period of geologic time, extending from about 490- to 460,000,000 years ago.
随便看	inserting in inserting into insert in it insert in something insert into insert into it insert in(to) (something) insert into something insertion insertional insertional inactivation intelligence analysis & support system intelligence analysis system intelligence & analysis unit intelligence analyst intelligence analyst station intelligence and community engagement intelligence and counterintelligence intelligence and electronic warfare battalion intelligence and electronic warfare & sensors intelligence and electronic warfare staff element intelligence and electronic warfare staff officer intelligence and electronic warfare support element intelligence and electronic warfare support office intelligence and electronic warfare surveillance

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Lower Ordovician