英语词汇tetrad怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	tetrad
释义	tetrad/ˈtetræd/n. 1 a group of four 四元组，四个一组 2 the number four (数目)4 [Greek tetras -ados (as TETRA-)]
随便看	give back give birth give birth to give birth (to) give chase give credence to give credit to give down give ear to give effect to give forth give free rein to give in give in marriage give it a go give it some welly give it to a person give me give mouth given given name given out with the rations give off give offence give oneself

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