The prelude to the musical composition is very long.

这首乐曲序曲很长。

The opera was preceded by a short overture.

这部歌剧开始前有段简短序曲。

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

这个序曲就象清晨房间块三镜辉煌。

Prelude in G Major.

G大调序曲。