alto

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.

also-ran, altar, altar-piece, alter, alter ego, alterable, alteration, altercation, alternate, alternate angles, alternately, alternating current, alternation, alternative, alternatively, alternator, although, although (US also altho), altimeter, altitude, altogether, altruism, altruist, altruistic, altruistically, alum, aluminium, aluminum, alumna, alumnus, alveolar, always, am, amalgam, amalgamate, amalgamation, amanuensis, amass, amateur, amateurish,