词根词缀:quadri-, quadra-, quad-, quadru-
【来源及含义】Latin: four, fourth; a word element for number 4
【相关词根词缀】 Cross references of word families that are related, partially or totally, to: "four, fourth": quatr-; tessara-; tetra-.
【同源单词】biquadrate, carillon, omniquadrante hora, quadragenarian, quadragenary, Quadragesima