英语词汇“tetrad”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	tetrad
释义	tetrad noun DEFINITIONS2 1 a group or set of four thingsSubmitted from: United Kingdom on 28/09/2015 Open Dictionary - September2015 2 astronomy four successive total lunar eclipses over a period of two yearsSubmitted from: United Kingdom on 28/09/2015 Open Dictionary - September2015 Noun☞tetrad
随便看	central central african central african republic central america central bank central government central heating centralisation centralise centralism centrality centralization centralize central locking centrally centrally located central nervous system central pontine myelinolysis central processing unit central reservation centre centre around -centred centred centrefold

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