单词控带你解读后缀的奥秘UnitFour(Part1)

后缀学习简论在前面的部分我们已经学习了前缀，在这部分我们将继续学习后缀。

后缀是加在词干或词根后的词缀。

与前缀恰好相反，后缀一般不改变词根的主体意义，而只起改变词性的作用。

根据词性的不同、后缀可分为名词性、形容词性、动词性及副词性后缀，应该说后缀在构词中也具有一定的作用和含义，懂得了后缀的含义，就容易了解由后缀和词根结合而成为单词的意义。

与学习前缀一样，学习后缀时也要注意两点：1、后缀变体现象；2、一缀多义现象。

一、后缀变体现象同前缀有前缀变体一样，后缀也有后缀变体。

但与前缀变体规律性很强不同，后缀变体的变化规律不是很显著，需要学习者用心体会。

常见的有后缀变体的后缀有：1. -ous 表示“…的”例如：dangerous poisonous其变体形式有：-eous righteous （正直的）gaseous（气体的）-ious laborious （勤劳的）contradictious （矛盾的）-aceous herbaceous （草本的）rosaceous （玫瑰色的）-acious rapacious （掠夺的）sagacious（聪明的）-aneous contemporaneous （同时代的）-itious suppositious （假定的）cementitious（水泥的）-uous contemptuous （轻视的）sensuous （感觉上的）-ulous globulous （球状的）acidulous（带酸味的）2. -er 表示“…的人”，其变体形式有：-eer weaponeer （武器专家） maountaineer （登山者）-ier clothier （织布工人）hotelier （旅店老板）-yer lawyer （律师）bowyer （弓手）-ster songster （歌唱家）youngster （年轻人）-aster poetaster （劣等诗人）criticaster （劣等批评家）3. -ic 表示“…的”，其变体形式包括：-tic dramatic （戏剧性的）-fic pacific （太平洋的）horrific （令人恐惧的）-atic systematic （系统性的）idiomatic （惯用语的）-etic sympathetic（同情的）energetic （精力旺盛的）-istic colouristic （色彩的）humoristic（幽默的）4. -ion 表示抽象名词的后缀，其变体形式包括：-ion perfection （完整无缺）action （行动）-sion declension （倾斜）conclusion （结论）-tion introduction （介绍）convention （集会）-ation transportation（运输）colouration （色彩）-ition opposition （反对）addition （增加）-faction rarefaction （稀缺） satisfaction （满足）-fication clarification （明确）beautification（美化）5. -ty 表示抽象名词，其变体形式包括：-ty safety （安全）entirety （整体，全部）-ety gayety （快乐）variety（变化）-ity humanity （人类） reality（现实）-acity rapacity （掠夺）loquacity（多言）-icity simplicity （简明）historicity （历史性）-ality personality （人格）exceptionality（特殊性）-ivity activity （活动）productivity （生产力）-ability knowability （可知性）readability （可读性）6、-al 表示“具有…性质的，属于…的”，其变体形式包括：-al emotional （感情方面的）governmental（政府的）-ical atomical （原子的）c yclical （循环的）-ial presidential（总统的）differential （有差别的）-ual textual （文本的）sexual（跟性有关的）7．-an 表示“（…样的）人（的）”，其变体形式包括：-an European （欧洲人（的））amphibian （水陆两栖的）-ian Mongolian（蒙古（人）的）Christian （基督徒的）-ician physician （内科医生）magician （魔术师）-arian fruitarian （吃水果为生的人）antiquarian （古董家)８．-cy 表示（性质、状态、职位等的）名词后缀，其变体形式包括-cy bankruptcy（破产状态）generalcy （将军职位）-acy privacy （隐私）intimacy （亲密的关系）-ency urgency （紧急状态）persistency （坚持）-ence insistence （坚持）dependence（依赖）-ancy expectancy（期望）elegancy （高雅）二、一缀多义现象有些后缀具有多种意义。

人教版英语必修4第四单元重点单词解析以下是我整理的关于人教版中学英语必修四单词及语言点总结：Unit 4 Body Language ，旨在供应综合运用所需材料!词汇是组成英语的三大要素之一，是英语的根本构件，词汇量的扩大是提高英语语言根本技能的根底。

同学们应当驾驭好所学的英语单词!中学英语必修四单词及语言点总结Unit 4 Body LanguageWord usage:1. major 1) adj. more important or serious than other things2) v. major in sth. to study sth. as your main subject at university3) n. a subject you major in.The house needs major repairs.He is a major writer.Her major subject is chemistry.Alice majors in economics.His major is history.2. represent v. 1) to act officially for another person or group of people2) to be a sign for another thing3) to describe or show a person or thing in a particular wayThey said that they represented the committee.The dove represents peace.What does X represent here?3. curious adj. 1) [never before a noun] eager to know sth. or to learn about sth.2) odd or strangeThe boy was curious about everything he saw.We were curious about where shed gone.I heard a curious noise last night.4. experience 1) n. a) [U] knowledge or skill which comes from doing or feeling sth. for a long time rather than from booksb) [C] sth. that happens to you and has an effect on your mind and feelings2) vt. to feel or to be influenced by sth. that happensShe had no experience of life at all.Have you had any experience of teaching English?Please tell us about your experiences in Africa.I had a rather odd experience the other day.We have experienced many defeats, but we believe that we will succeed.5. introduce v. make (a person) know to others; bring into useI introduced John to Mary last year, and now they are married.Would you please introduce yourself?Potatoes were introduced into Europe from South America.6. approach 1) vt. come nearer to; set to do2) n. the act of coming nearer; accessSilently we approached the enemys camp.The time is approaching when we will have to leave.The approach of winter brings cold weather.7. express 1) vt. put into words; show feelings;2) n. fast train or delivery; a rapid, efficient system for the delivery of goods and mailHe can not express how he felt about the matter.Could you express yourself in English?Send the letter by express.8. action n. deed or conduct; process of doingActions speak louder than words.We are tired of talking about the problem---now is the time for action.The police had to take firm action to deal with the case.9. general adj. involving or applying to all persons or things of a group or category; concerning the overall aspects of a subject There is a general feeling that this law isnt working properly.The school gives a good general education.Worry about high food prices has now become fairly general.10. avoid v. keep away from; preventI avoided him as much as possible.They all avoided mentioning that name.She braked suddenly and avoided an accident.11. comedy n. amusing play or film; amusing incidentOne of his new comedies is to be presented.Do you prefer comedy or tragedy?There will be a comedy show in TV this evening.12. misunderstand v. unable to understand the correct meaning; misinterpretHis intentions were misunderstood.He misunderstood what I said.They pretended to misunderstand my complaint.13. similar adj. showing resemblance; resembling but not the same; of the same kind or amountHis problem is similar to yours.My view is similar to hers.They had similar opinion.14. expression n. communication of an idea, emotion, etc.; the manner that expresses feelingI sent them flowers as an expression of thanks.There was no expression on her face.Shut up is not a polite expression.15. agreement n. accord or harmony of opinion and way of thinking; treatyMy parents are in agreement on what color to paint the house.The three sides reached an agreement to stop the war.We are in agreement with their decision.16. chest n. part of the body wrapped by ribs and the breastbone; big strong box for storing things in; treasury of a public institution.He has a severe pain in the chest.Hes got a weak chest.I keep the tea in a chest.18. gesture n. movement of the body to express an idea, intentions or attitude.v. to make a gesture.We hold a party for our new colleagues as a gesture of friendship.Handshake is a gesture of friendship.She was gesturing so excitedly that I knew something was wrong.19. adult 1) n. group-up or mature person2) adj. grow-up or matureHed spent all his adult life in the army.Sam is a rather adult child.In this sense, children and adults have equal rights.20. punish v. to inflict penalty onMotorists should be severely punished for speeding.The teacher punished her students for cheating in the exam. He has never been punished by his parents.。

Unit 4 Natural disasters1. disaster 灾难；灾害词根法：dis（前缀，表否定）aster（star的希腊语）➡️星位不正，指灾难2. tornado （复数-oes or -os）龙卷风；旋风拼背法：t 逃or或者na哪do做龙卷风来了，逃或者哪里做个庇护！3. drought 旱灾；久旱词根法：dr（干的dry的缩写）➕后缀ought4. landslide （山地或悬崖的）崩塌；滑坡slide（使）滑行；滑动拼背法：sli胜利de的山体滑坡，死里逃生，胜利的！5. tsunami 海啸拼背法：tsu特殊nami娜米特殊的娜米，可以操控海啸。

6. flood 洪水；大量；淹没；大量涌入；使灌满水；淹没拼背法：f飞l（形）油条（形）oo鸡蛋d的洪水来了，一根油条两个鸡蛋飞了！相似单词：mood 心情food 食物good 好的7. volcanic eruption 火山喷发词根法：volcano火山—volcanic火山的拼背法：vol音量（前缀）➕can能o哦音量能哦的是火山！词根法：erupt爆发—eruption 爆（喷）发8. magnitude （地）震级；重大拼背法：mag马哥ni你吐得马哥你吐得像地震！9. rescue 营救；救援拼背法：re热s死cu醋e鹅热死吃醋的鹅是一种救援。

10. damage 损害；破坏；损坏；损失词根法：dama（征服）➕(a)ge（表行为结果）➡️征服意味着对另一方的破坏词根法2:dam（damn该死的，诋毁的缩写）➕age（名词词根，但语境不同也可表示动词）➡️诋毁会损害他人，但不会完全摧毁拓：与破坏：destroy、ruin的区别destroy：完全摧毁，已没有了当初的模样ruin：也是完全摧毁，但更多表示成为废墟，废墟11. destroy 摧毁；毁灭词根法：de（表相反、否定）➕story（建造的意思）12. evacuate 疏散；撤出；撤离词根法：e（词根ex的简写，向外）➕vac（ ️eg.vacation：空出来的日子）➕u引导的形容词后缀“ate”➡️表撤出使变空，即疏散13. helicopter 直升机拼背法：heli（类highly高高地）➕copter（“靠扑腾”，似螺旋桨发出的声音）词根法：helic（螺旋）➕opt（选择）➕er（表机器）➡️选择螺旋上升的机器，即 ️14. death 死；死亡die动词：he died last week。

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