女中音

例句：

1. 1. The singer's performance was outstanding, with a perfect blend of high and middle notes.
   那位歌手的表演非常出色，高低音完美融合。
2. 2. The orchestra played a beautiful piece for the audience, showcasing themiddle voices of all the performers.
   管弦乐队为观众演奏了一首美妙的曲目，展示了所有表演者中间声部的风采。
3. 3. In opera, the middle voices are often used to convey emotion and depth.
   在歌剧中，中间声部常常用来表达情感和深度。