音標發(fā)音英式音標 [?d?b.?l ?me?.d??r]美式音標 [?d?b.?l ?me?.d??]英式發(fā)音 美式發(fā)音 基本解釋（大學等的）雙學位。同根派生 double major相關(guān)詞英英字典劍橋英英字典 a degree from a college or university in which a person has gained enough credits for two majors instead of onedouble major劍橋字典double major柯林斯字典