Female singers are classified as sopranos, mezzo - sopranos and contraltos.

女歌手分为女高音 、 女低音和女中音.

Female singers are classified according to the pitch of their voices; the highest are the sopranos, the contraltos are the lowest, and the mezzo-sopranos are in between.

女歌手是按照她们声音的音频高低分类的：最高的叫女高音，最低的叫女低音，而女中音介乎二者之间。