n.序言，引语；开端，前奏；[宗]（弥撒的）序诵，序祷；vi.&vt.作为…的序言，作为…的开端；作序；给…作序；开始，导致 变形： 复数：prefaces过去式：prefaced现在分词：prefacing第三人称单数：prefaces 双语释义：n.(名词)[C]序言,前言 an introduction to a book or speech[C]开端,前奏 an action that is intended to introduce sb else more importantv.(动词)vt.