初中英语作文的说明文体裁要怎么写？实例教你写好英语说明文
说明文是一种以说明为主要表达方式的文章体裁。它用简洁明了的语言来阐述事物的特征、本质、性能、结构、用途或科学原理，向读者提供知识和指导。今天小编想和大家分享一下关于初中英语作文的说明文体裁要怎么写，同时用一篇实例来进行讲解。
该文体有以下几个特点：
一、内容的科学性
说明文客观地介绍人物、说明事物、解释现象，语言直白，没有主观的评论或情感的抒发。
二、说明的条理性
说明文层次分明，脉络清晰。
三、语言的准确性
说明文的目的是让人获取信息，明白事理，因此通常会采用朴实、易懂和准确的语言或使用数据进行说明。
在写说明文时， 在写作结构的谋划上，常采用总分式结构。写作时，常使用定义法、举例法、比较法和细节描述法等，来增加文章的色彩;也可适当使用一些结构比较复杂的句式，如定语从句、名词性从句、强调句及非谓语动词等，以增加语言表达效果。
Read the following passage
读下面的段落
Hainan Island
Hainan Island is the second largest island in China, which is also called the International Tourism Island. It is located in the south of China. It covers an area of about 35,400 square kilometers with a history of over 6,000 years. The population of Hainan is about 9 million, which consists of more than 30 nationalities.
People here get many ways to earn their living, such as growing rice, fishing and so on. Tourism is also developing fast with its vast coastline and natural harbors.
In a word, Hainan Island is a fascinating place. When you come to Hainan, I believe you will like the weather here. It is neither hot in summer nor cold in winter. You will feel it mild all the year round. The places of interest here are really wonderful. Welcome to Hainan Island - the International Tourism Island.
New words and expressions
词汇表
1. island /'aɪlənd/ n. 岛，岛屿
2. the second largest island /'sek(ə)nd/ /lɑ:dʒɪst/ 第二大岛
用法：the +序数词+形容词最高级+名词
例句：
Yangtze River is the third longest river in the world.
长江是世界上的第三长河。
3. is called /kɔ:ld/ 被称为
用法：被动语态，构造为 be动词+动词的过去分词
例句：
This house was built by my grandfather.
这个房子是我爷爷建的。
4. international /ɪntə'næʃ(ə)n(ə)l/ adj. 国际的
5. tourism /'tʊərɪz(ə)m/ n. 旅游业
6. is located in /lə(ʊ)'keɪtɪd/ 位于，坐落于
用法：be located +介词 +地方
例句：
This country is located in the southern hemisphere.
这个国家位于南半球。
7. cover an area of ... square kilometers /'kʌvə/ /'eərɪə/ /skweə/ /kɪˈlɒmɪtə/占地...平方公里
例句：
Hangzhou covers an area of 16,854 square kilometers.
杭州占地16854平方公里。
8. with a history of ... years /hɪst(ə)rɪ/ 有......年的历史
用法：“with +名词”在句中做伴随状语。
例句：
Shanghai is a modern city with a history of over than 6,000 years.
上海是一座有着6000多年历史的现代城市。
9. population /pɒpjʊ'leɪʃ(ə)n/ n. 人口
10. million /'mɪljən/ n. 百万
11. consist of /kən'sɪst/ 由......组成/构成
例句：
A computer consists of three main parts: a keyboard, a monitor, and computer unit.
电脑由三个主要部分组成：键盘、显示器和主机。
12. more than = over 多于
13. earn one's living /ɜːn/ /'lɪvɪŋ/ 谋生，挣钱维持生计
14. such as /sʌtʃ/ 比如
15. and so on 等等
16. develop fast /dɪ'veləp/ /fɑːst/ 快速发展
17. vast coastline /vɑːst/ /'kəʊs(t)laɪn/ 广阔的海岸线
18. natural harbor /ˈnætʃrəl/ /'hɑ:bə/ 天然港
19. in a word /wɜːd/ 总之, 简言之
20. fascinating /'fæsɪneɪtɪŋ/ adj. 迷人的，吸引人的
21. neither ... nor ... /ˈniːðə/ /nɔː/ 既不......也不......
例句:
I am neither English nor American. I am Chinese.
我既不是英国人，也不是美国人。我是中国人。
22. mild /maɪld/ adj. 温和的
23. all the year round /raʊnd/ 一年到头
24. places of interest /pleɪs/ /'ɪnt(ə)rɪst/ 名胜古迹
25.
When you come to Hainan, I believe you will like the weather here.
前半句是时间状语从句，后半句是主句。主句中含有一个宾语从句。
"you will like the weather here"就是宾语从句，做谓语动词believe的宾语，中间的引导词that已省略。
26.
Hainan Island is the second largest island in China, which is also called the International Tourism Island.
The population of Hainan is about 9 million, which consists of more than 30 nationalities.
上面这两句中的下划线部分都是定语从句，而且是非限制性定语从句。第一句的定语从句是修饰主句中的先行词Hainan Island;第二句的定语从句是修饰主句中的先行词population的。
