Pronunciation: English [? pref？ S] beauty [? pref？ s]

Preface and quotation; A beginning, a prelude; Preface (of quality)

Intransitive verb & preface; As a preface to, as the beginning of; Give a preface to; Start, reason

Third person singular: preferred plural: preferred present participle: preface past tense: preferred.

This book has the author's preference for writing.

This book has the author's preface.

II. Introduction

Pronunciation: English [ntrd? k？ N] beauty [ntrd? kn]

Brief introduction of noun (abbreviation of noun); Introduce, introduce; Adoption and introduction; Something newly adopted

Plural number: introduction

The introduction of this book is very brief.

The introduction of this book is very short.

Third, preface.

Pronunciation: English [? f？ :w？ : d] beauty [? f？ :rw？ : research and development]

Preface (statement)

Plural number: preface

This book has the preface of the President.

This book has a preface written by the president.

Fourth, introduction.

Pronunciation: English [ek's? : dm] Beauty [? Goz. :d？ rm]

Introduction (speech, paper, etc.). )

Complex number: exordiums exordia

Example: The introduction part of this paper introduces the problems to be solved in this paper and its development background and significance.

The introduction at the beginning of this paper introduces the problems to be solved, the development background and significance of the scheme.

Preface of verb (abbreviation of verb)

foreword

I have read the book's preferences. Enter (the main topic) with an opening remark.

I have read the preface of this book. To introduce (a major topic) with a preface.