n.序言，绪论，导言，前言，开场白
v.作序言[绪论]

原形：preamble复数：preambles

The preamble to the US Constitution sets the stage for the entire document.
美国宪法的序言为整份文件奠定了基础。
In her speech, she began with a preamble about the importance of education.
在她的演讲中，她以一段关于教育重要性的开场白开始。
The meeting started with a preamble outlining the agenda for the day.
会议开始时先概述了当天的日程。
The preamble to the contract explained the purpose and scope of the agreement.
合同的序言解释了协议的目的和范围。
The preamble in the research paper introduced the background and significance of the study.
研究论文的引言部分介绍了研究的背景和意义。
The teacher read out the preamble of the Indian Constitution to emphasize the values it upholds.
老师朗读了印度宪法的序言，以强调它所维护的价值观。
The preamble of the environmental policy highlighted the company's commitment to sustainability.
环境政策的序言突显了公司对可持续性的承诺。
The book's preamble serves as a prelude to the author's main arguments.
书的序言起到了预示作者主要论点的作用。
The preamble to the UN Charter expresses the determination to save succeeding generations from the scourge of war.
联合国宪章的序言表达了决心要从战争的灾难中拯救后代。
The movie's preamble established the setting and introduced key characters.
电影的开场部分设置了场景并介绍了关键角色。