bindexbiyearly./bahy-yeer-lee/US // baɪˈyɪər li //UK // (baɪˈjɪəlɪ) //每年两次,两年一次,每两年一次,两年一次的Definitionsadj.adjective · 形容词1.›biennial. adv.adverb · 副词1.›biennially; biannually.›twice yearly. Level 5More words in b →