prelude
- n. 前奏；序幕；前奏曲
- vt. 成为…的序幕；演奏…作为前奏曲
- vi. 作为序曲；奏序曲
英英释意
- 1. something that serves as a preceding event or introduces what follows;
- "training is a necessary preliminary to employment"
- "drinks were the overture to dinner"
- 2. music that precedes a fugue or introduces an act in an opera