清唱剧

例句：

1. 1. The choir sang a cappella in the church service.
   教堂礼拜时，合唱团无伴奏地演唱。
2. 2. She was so talented that she could perform a cappella without music.
   她非常有天赋，可以在没有音乐的情况下进行无伴奏表演。
3. 3. The concert featured a cappella performances by various artists.
   音乐会上，各种艺术家进行了无伴奏表演。