英语词汇“lower devonian”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	lower devonian
释义	Lower Devonian Lower Devonian [′lō·ər də′vō·nē·ən] (geology) The earliest epoch of the Devonian period of geologic time, extending from about 400- to 385,000,000 years ago.
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Lower Devonian