The prelude to the musical composition is very long.

首乐的序很长。

The opera was preceded by a short overture.

部歌剧开始前有一段简短的序。

The prelude was as iridescent as a prism in a morning room.

序就象清晨房间里的一块三镜一样灿烂辉煌。

Prelude in G Major.

G大调序。