柯林斯詞典alto /??lt??/ (altos) 1. N-COUNT An alto is a woman who has a low singing voice. 女低音[oft N n] 2. N-COUNT An alto or male alto is a man who has the highest male singing voice. 男聲最高音3. ADJ An alto musical instrument has a range of notes of medium pitch. 中音樂器[ADJ n] 返回 alto劍橋詞典(a woman with) a low adult female singing voice or (a boy with) the lowest boys ' singing voice or (a man with) the highest adult male singing voice 女低音（歌手）；男童低音（歌手） She began by singing soprano , then changed to alto. 她開始時(shí)唱女高音，後來改唱女低音。 比較contralto countertenor 返回 alto