Swim for being one to motion having the benefit body and Swim for being able to keep keep healthy not only， and can control a More important being ， have a swim are one kind of But， swim for being also a harmful place's ， for example ， easy Infectious disease produced by have a swim and， is also austere problem one comparing at
序言的英文：preface ['prefis] (书籍、演讲等的)序言，前言，绪言，引语，开场白introduction [，intrə'dʌkʃən] 前言，引言，序言；导论；(音乐的)序曲foreword ['fɔ:wə:d] (文章、杂志等的)序，序言，序文，前言，绪言，同近义词: introduction; perface英文preface、foreword都含“书的正式篇章开始之前的一段文字”的意思。preface 指“由书的作者或他人为该书写的序言或序文，它是与本书分开的一部分，用来解释写书的目的、重要性等，篇幅一般比foreward长”。 如:This book has a preface written by the 这本书有作者写的序言。foreword 指“书的简短的序文”， 如:That book has a preface， not a 那本书有序文， 没有前言。参考例句： The preface to this book is on the preceding page 前边一页是这本书的序言。 To preface a Book By a life of the writer 以作者的生平作为一本书的序言 In her preface she pours out vials of wrath on her 在序言里她对她的诽谤者表示愤慨。 This Book has a preface written By the 这本书有作者写的序言。 This foreword of the book is writed by a famouse writer 这本书的序言是由一个著名作家写的。 The preface is complete in 这前言本身就是完整的。 The accident was the preface to a great scientific 这一偶然事件成了一项重大科学发现的开端。 Can you please preface my book? 你能给我这本书作序吗？ The preface of the book includes an account of the author's 该书前言记述了作者生平。 Jame's prefaces are always important 詹姆斯小说的前言总是重要的。 The introduction explains how the chapters are organized 前言部分说明各章的怎样组织。 In his preface hawthorne seeks to explain the attraction that italy has for the writers of romances 霍桑在前言中试图阐明意大利对传奇作家的吸引力。
学术堂来告诉你如何在英语论文中写引言: The introductory paragraph should 1) introduce your topic; 2) grab your reader's attention; and 3) state your thesis Generally， the first sentence (often called the "hook" or "attention getter") leads into two or three sentences that give details about your Finish your introductory paragraph with your thesis 一般来说，第一段第一个句子应为引导句，之后的两三个句子则是用来铺陈关于文章主题的细节，最后再以主旨句结束你的引言段 Grab your reader's attention in the hook by asking a challenging question; beginning with an interesting and informative quote; providing a dramatic， eye-opening statement; or telling a brief， engaging
