musical prelude 前奏曲
prelude to disaster 灾难的前兆
serve as a prelude 作为...的前奏
A: Do these musical preludes sound familiar?
A：这些前奏曲听起来耳熟吗？
B: Yes, they are the preludes to the famous symphony.
B：是的，它们是那部著名交响曲的前奏曲。
1) 序幕，前奏
2) 音乐中的前奏曲
3) 预兆，先导
1. 前奏，序幕
noun
1. Introductory performances or events that happen before something more important.
Synonym: introduction, precursor, overture
verb
1. To act as a preliminary to something.