n.

1. 歌
2. 伴唱
3. 最高音部
4. 詳說

vi.

1. 敘述
2. 伴唱

n.

1. Music  an independent treble melody sung or played above a basic melody.
   ▸archaic or literary a melodious song.
2. literary a discourse on a theme or subject.

v.