序幕

例句：

1. 3.
   戏剧、电影等的
2. 1. The play opens with a scene from the past.
   该剧以一段过去的场景开场。
3. 2. The movie starts with a thrilling chase sequence.
   这部电影以一段紧张刺激的追逐场面开场。
4. 3. The book begins with an introduction to the main characters.
   这本书以对主要角色的介绍开头。