次高音歌手

例句：

1. 1. The singer is a famous one-octave vocalist known for his unique style.
   这位歌手以其独特的风格而闻名，是位著名的一音阶歌手。
2. 2. He has performed at many concerts, including the one where he was featured as a guest vocalist.
   他参加过许多音乐会，包括作为嘉宾歌手的那次演出。
3. 3. In the opera, the soprano often sings in the high register, while the tenor is moresuited to singing in the lower range.
   在歌剧中，女高音通常唱高音区，而男高音更适合唱低音区。