prelude
['prelju:d]
n. 序幕, 前奏, 预兆
vi. 成为 ... 的前奏（开头）
例句与用法：
The telephone rings and this marks the prelude to an unforeseen series of catastrophes.
电话铃响了，这就揭开了未预料到的大灾难的序幕。
His frequent depressions were the prelude to a complete mental breakdown.
他经常抑郁寡欢,后来精神完全崩溃了。
The bankruptcy of several small firms was the prelude to general economic collapse.
几家小商行倒闭了，随之而来的是经济大萧条。
The lines form a prelude to his long narrative poem.
这几行诗是他那长篇叙事诗的序诗。
词形变化：
形容词: preludial | 名词: preluder | 动词过去式: preluded | 动词过去分词: preluded | 动词现在分词: preluding | 动词第三人称单数: preludes |
详细释义：
n.[C]
1. 前奏; 序幕[S1][(+to)]
The fighting in the streets may be a prelude to more serious trouble.
街头殴斗可能是一个更严重事端的前奏。
2. 【音】前奏曲
vt.
1. 成为……的序幕
2. 演奏……作为前奏曲
vi.
作为序曲; 奏序曲