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	paper clip paperclip paper cut paper girl paper knife paperless paper money paper over paper qualifications paper round paper route paper shop paper shuffler paper-thin paper tiger paper towel paper town paper trail paperweight paperwork papery papier-mâché papist papoose pappardelle

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