Preamble
美 [priˈæmb(ə)l]英 [pri'æmb(ə)l]
- n.序言;前言;绪论;导言
- v.作序言[绪论]
- 网络前导码;前文;前同步码

Preamble
1.序言;绪论;导言;前言;开场白an introduction to a book or a written document; an introduction to sth you say
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