英语词汇“middle silurian”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 silurian
释义	Middle Silurian Middle Silurian [′mid·əl si′lür·ē·ən] (geology) The geologic epoch between the Upper and Lower Silurian.
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Middle Silurian