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	pitched pitched battle pitcher pitchfork pitch in pitch into pitch invasion pitch out pitch perfect pitch pine pitchpole pitch someone a line/yarn pitch up piteous piteraq pitfall pith pithead pith helmet pithy pitiable pitiful pitiless piton pit out

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