curtain-raiser
/ˈkɜːtənˌreɪsə(r)/noun
- an entertainment or other event happening just before a longer or more important one序曲, 引子; 开场小戏:
Bach's Sinfonia in B flat was an ideal curtain-raiser to Mozart's last piano concerto.
巴赫的降B调交响曲是莫扎特最后的钢琴协奏曲理想的引子。
词源
late 19th cent.: originally used in the theatre to denote a short opening piece performed before a play.