n.前文；序文；前言
He spoke without preamble. 他没有开场白地讲起来。
He launched into his statement without any preamble. 他开门见山地发表言论。
The aims of the treaty are stated in its preamble. 条约的宗旨已在序言中说明。
Museum stills from the preamble, stills, introduced the story of three parts. 剧照馆由前言、剧照、剧情介绍三部分组成。
