prologue
(US also prolog), n ~ (to sth)
1 introductory part of a poem or play 序诗; 开?quot;?BR> the `Prologue´ to the `Canterbury Tales´ 《坎特伯雷故事集》的《序诗》. Cf 参看 epilogue.
2 act or event that is an introduction to sth or leads up to sth; first in a series of events 引出或引致某事物的行动或事件; 一系列事件的开端; 序幕
The signing of the agreement was a prologue to better relations between the two countries. 签订这一协定更促进了两国的关系.