英语词汇“ochoan”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	ochoan
释义	Ochoan Ochoan [ō′chō·ən] (geology) A North American provincial series that is uppermost in the Permian, lying above the Guadalupian and below the lower Triassic.
随便看	m-fcar mfcar mfcb mfcbns mfcc mfcca mfcci mfcd mfcdp mfcdt mfcdu mfce mfces mfcf mfcg mfch mfci mfcic mfcl mfc-ld mfcm mfcma mfcmi mfcmu mfcn

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Ochoan