名词序言，引语; 开端，前奏; [宗]（弥撒的）序诵，序祷
不及物动词&及物动词作序; 作为…的序言，作为…的开端; 给…作序; 开始，导致
及物动词
1. She prefaced her remarks by an apology.
她以道歉的话作为开场白。
2. He prefaced his speech with an amusing story.
他用一则有趣的故事开始了他的演说。
3. Each chapter is prefaced by a short introduction.
每章前面都有一个简短的介绍。
名词
1. The book has a preface written by the author.
该书有作者写的序言。
2. Our defeat may be the preface to our successor's victory.
我们的失败可能是我们后继者获胜的开端。
3. 緒 論：促癌因子的作用是可逆的,如果去除,引起扩增的克隆就会消失;演进--是指肿瘤在生长过程中中医理论体系的形成和发展绪论(Preface)二,中医理论体系的形成和发展 中医学理论体系的形成和发展经历了一个非常漫长的过程,
1. （书的）序言，前言，绪论
A preface is an introduction at the beginning of a book, which explains what the book is about or why it was written.
2. 以…为开端；以…作为开场白
If you preface an action or speech with something else, you do or say this other thing first.
preface
e.g. I will preface what I am going to say with a few lines from Shakespeare...
进入正题之前，我先引用莎士比亚的几句诗作为开场白。
e.g. The president prefaced his remarks by saying he has supported unemployment benefits all along.
总统在发表讲话前说他一直以来都支持发放失业津贴。