prologue
US /ˈproʊ.lɑːɡ/
UK /ˈproʊ.lɑːɡ/

1.
序言, 开场白
a separate introductory section of a literary or musical work
:
•
The novel begins with a captivating prologue that sets the scene.
小说以引人入胜的序言开头,为场景奠定了基础。
•
The play's prologue introduced the main characters and the central conflict.
该剧的序幕介绍了主要人物和核心冲突。