alto
/ˈæltəʊ; `ælto/ n (pl ~s) (music 音) 1 (singer with a) voice of the highest adult male pitch 男声最高音(歌手). 2 = contralto. 3 part written for the alto voice 中音部. 4 musical instrument with the second highest pitch in its group 中音乐器: an alto-saxophone 中音萨克斯管.