名詞 prologue:

1. an introduction to a play

1. A preface or prologue, as to a literary composition, especially an early English play.
   前言引言或序幕，如文學(xué)作品的前言，尤指早期英國(guó)劇作的序幕
2. An actor in Elizabethan drama who recites the prologue and epilogue to a play and sometimes comments on the action.
   解說員在伊麗莎白戲劇中朗誦序言和尾聲以及有時(shí)關(guān)于演出評(píng)論的演員
3. The signing of the agreement was a prologue to better relations between the two countries.
   簽定這一協(xié)議是兩國(guó)關(guān)系加強(qiáng)的序幕。
4. He began his prologue by saying "good night".
   他以“晚上好”開始了他的開場(chǎng)白。

prologue 也作 pro.log

n.（名詞）
An introduction or a preface, especially a poem recited to introduce a play.
開場(chǎng)白：介紹或序言，尤指介紹戲劇而背誦的詩(shī)
An introduction or introductory chapter, as to a novel.
前言：介紹或介紹性篇章，比如在長(zhǎng)篇小說前
An introductory act, event, or period.
序幕：引導(dǎo)性的行為、事件或時(shí)期

來源：
Middle English prolog
中古英語 prolog
from Old French prologue
源自 古法語 prologue
from Latin prologus
源自 拉丁語 prologus
from Greek prologos
源自 希臘語 prologos
pro- [before] * see pro- 2
pro- [在…之前] *參見 pro-2
logos [speech] * see leg-
logos [演講] *參見 leg-