柯林斯詞典a cappella /ɑ? k??p?l?/ 1. ADJ/ADV without instrumental accompaniment 不用樂(lè)器伴奏的; 不用樂(lè)器伴奏地[music] 返回 a cappella劍橋詞典sung by a group of people without any musical instruments (合唱)無(wú)樂(lè)器伴奏的;團(tuán)體清唱的 返回 a cappella