复数：prologues
1.序,序诗;(戏剧的)开场白;序幕
2.序幕性事件 (to)
1.作...的序;为...加上序诗;作(戏剧等的)开场白
2.成了...的开端
1.a piece of writing at the start of a book that introduces the story; the beginning of a play, movie, or television program that introduces the story
2.an event that leads to another event
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