复数形式是solos，例如：
1、I don't care for music class， because my teacher always wants me to sing solos.我不喜欢音乐课，因为老师总是要我独唱。
2、A vocal and instrumental piece composed of choruses， solos， and recitatives. A passage to be played softly or quietly.康塔塔，清唱曲一段声音和器乐的乐段，由合唱、独唱和宣叙调组成轻声演奏的乐段要轻轻或静静地演奏的段落
