| 释义 |
al.toH5Al7tEJ, $-toJn [C]pl altos (a woman with) a low adult female singing voice or (a boy with) the lowest boy's singing voice女低音，男童最低音She began by singing soprano, then changed to alto.她以演唱女高音开始，然后又改成了女低音。An alto musical instrument has the same range of notes as the alto singing voice.中音乐器an alto saxophone中音萨克斯管
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