一、 英语单词常见词根总结 ag，act 做，驱动 agent代理人 active活动的，积极的 agr 农田 agriculture农业 agrarian田地的 am 爱，亲爱 amicable友善的 amiable和蔼可亲的 anim 心灵，精神，生命 animal动物 animate有生命的 ann，enn 年 annual一年的 centennial一世纪的 astro 星 astronomy天文学 astronaut宇宙航行员 audi 听 audience听众 audible听得见的 bell 战争 rebellion反叛，反抗 bellicose好战的 bio 生命，生物 biology生物学 antibiotic抗生的，抗生素 brev 短 brevity 简短 abbreviate缩短，节略 cred 相信 credibility可信 credit信任 cur，cours 跑 ccurrence出现，发生 current流通的 cycl 圆，环 bicycle自行车 cyclone旋风 di 日 diary日记 diarist记日记者 dict 说 predict预言 indicate表示 c，ct 引导 conct指导 ince引诱 ed 吃 edible可吃的 edacity贪吃 fact 做，制 factory工厂 manufacture制造，加工 fer 带，拿 transfer转移 ferry渡船 flu 流 fluent流利的 influenza流行*冒 form 形式，外形 transform改变 formula公式 fract，frag破，折 fraction碎片 fragile易碎的 fus 倾，注，溶化 fusion熔解 effuse*** gen 起源 generate使产生 genetic遗传的 geo 地球，土地 geography地理 geology地质学 grad 步，走，级 graal逐步的 graate毕业 gram 写，记录 diagram图表 program节目单，方案 graph 写，画，记录 photograph照像 autograph亲笔，手稿 gress 行走 progress进步 retrogress后退 hap 机会，运气，偶发 happen发生 mishap灾祸 hospit 客人 hospital医院 hospitable好客的，殷勤的 insul 岛 peninsula半岛 insulation隔绝，孤立 hydra 水 hydraulic水利的 hydrant消防栓 ject 投，掷，抛 eject射出 project投射 junct 连接，结合 conjunction连接词 adjunct附属物 lect，leg，lig 挑选，采集 lect 选举 selection选举 eligible合格的，合适的 lev 举，升 elevator电梯 lever杠杆 liber 自由 liberate解放 liberalist自由主义的 lingu 语言 linguist语言学家 bilingual两种语言的 liter 文字，字母 literate识字的 literature文学 loc 地方 local当地的 locate使座落于 log 词，语言，讲演 dialogue对话 logic逻辑 loqu 说话 eloquent雄辩的 colloquial口语的，会话的 manu 手 manuscript手稿 manual手的，用手的 medi 中间 medium中等的 mediation居中调解 memor 记忆，记住的 memory记忆 memorial纪念日，纪念物 milit 兵 military军事的 militant战斗性的 min 少，小 inority少数 diminish减少，减小 mob，mot，mov 移动 mobile活动的 motion运动 immovable不可移动的 mort 死亡 mortal终有一死的 mortician承办殡葬的人 nov 新 novel小说 novelty新奇 numer 数 numeral数字的 numerous为数众多的 oper 工作 operate操作 co?operate合作 opt 视线，光线 optic视力的 optics光学 path 感情，苦楚，疾病 sympathy同情 pathetic可怜的 pel 推，逐，驱 expel驱逐 repel击退，反击，抵抗 pend，pen 悬挂 depend依靠 pendent悬空的 phon 声音 microphone扩音器 telephone电话 plen 满，全 plenty充足，大量 plentitude丰富，充足 pon，pos 放置 postpone推迟 position位置 sens，sent 感觉 sensation感觉 sentiment感情 sol 太阳 solar太阳的 parasol阳伞 spec 看 spectacle光景，景象 prospect展望 spir 呼吸，生命 conspire共谋 inspire吸气，鼓舞 tact，tang，tag 接触 intact未接触的 tangible可接触的 tail 切，割 tailor裁缝 retail零售 tain，ten，tin 保持，握，容纳 contain容纳 obtain取得，sustain支持 tect 掩，盖 detect侦察 发觉，detective侦探的 tele 远 telescope望远镜 telegram电报 tend，tens，tent 伸 extend伸开，扩展 extensive广阔的二、高中英语常用的前缀和后缀 1、常用前缀 aero-：concerning the air of aircraft plane—aeroplane space—aerospace anti-：against；opposite of nuclear—antinuclear matter—antimatter war—antiwar auto-：of or by oneself biography—autobiography criticism—autocriticism be-：to treat as the stated thing friend—befriend little—belittle bi-：two；twice；double lingual—bilingual cycle—bicycle bio-：concerning living things chemistry—biochemistry sphere—biosphere by-，bye-：less important proce—by-proce way—byway centi-：hundredth part grade—centigrade meter—centimeter co-：together，with author—coauthor exist—coexist col-：( used before l ) together，with location—collocation com-：( used before b，m，p ) together，with passion—compassion con-：together，with centric—concentric federation—confederation contra-：opposite diction—contradiction natural—contranatural cor-：( used before r ) together，with relate—correlate respond—correspond counter-：opposite act—counteract attack—counterattack cross-：across；going between the stated things and joining them country—crosscountry breed—crossbreed de-：showing an opposite；to remove；to rece code—decode value—devalue dis-：not；the opposite of advantage—disadvantage agree—disagree honest—dishonest em-：( used before b，m，p ) to cause to become body—embody power—empower en-：to cause to become；to make danger—endanger large—enlarge ex-：former ( and still living ) minister—ex-minister wife—ex-wife extra-：outside；beyond curricular—extracurricular ordinary—extraordinary fore-：in advance，before；in or at the front arm—forearm warn—forewarn il-：( used before l ) not legal—illegal literate—illiterate im-：( used before b，m，p ) not moral—immoral possible—impossible in-：not direct—indirect sensitive—insensitive infra-：below in a range；beyond red—infrared structure——infrastructure inter-：between；among change——interchange national——international intra-：inside，within；into city——intracity department——intra-department ir-：（used before r）not regular——irregular responsible——irresponsible kilo-：thousand gram——kilogram meter——kilometer macro-：large，esp. concerning a whole system rather than particular parts of economics——macroeconomics structure——macrostructure mal-：bad or badly function——malfunction treat——maltreat micro-：extremely small computer——microcomputer electronics——microelectronics mid-：middle day——midday night——midnight mini-：small；short bus——minibus skirt——miniskirt mis-：bad or badly；wrong or wrongly fortune——misfortune understand——misunderstand mono-：one；single plane——monoplane tone——monotone multi-：more than one；many purpose——multipurpose national——multinational non-：not resident——non(-)resident sense——nonsense out-：outside；beyond live——outlive door——outdoor over-：too much；above；additional head——overhead time——overtime poly-：many centric——polycentric syllabic——polysyllabic post-：later than；after graate——postgraate war——postwar pre-：before；in advance pay——prepay war——prewar pro-：in favor of，supporting America——pro-America abortion——pro-abortion pseudo-：not real；false name——pseudonym science——pseudoscience re-：again；back to the former state unite——reunite use——reuse self-：by means of oneself or itself；of，to，with，for，or in oneself or itself employed——self-employed taught——self-taught semi-：half；partly circle——semicircle final——semifinal step-：not by birth but through a parent who has remarried mother——stepmother children——stepchildren sub-：under，below；less important；part of the stated bigger whole divide——subdivide section——subsection super-：more，larger，greater than usual market——supermarket natural——supernatural tele-：at or over a long distance；by or for television communication——telecommunication screen——telescreen therm(o)-：concerning heat chemistry——thermochemistry meter——thermometer trans-: across, on or to the other side of ; between Atlantic—transatlantic plant—transplant tri-: three; three times angular—triangular cycle—tricycle ultra-: beyond; very, extremely modern—ultramodern sound—ultrasound un-: not certain—uncertain fortunate—unfortunate under-: too little; below develop—underdevelop sea—undersea uni-: one, singer form—uniform directional—unidirectional vice-: next in the rank; below chairman—vice-chairman president—vice-president 2.常用后缀 （1）名词后缀 -ability，-ibility able—ability flexible—flexibility -age post—postage short—shortage -al arrive—arrival refuse—refusal -an，-ian，-arian library—librarian music—musician -ance，-ence appear—appearance refer—reference -ancy，-ency emerge—emergency expect—expectancy -ant，-ent apply—applicant correspond—correspondent -cy accurate—accuratcy private—privacy -dom king—kingdom free—freedom -ee employ—employee interview—interviewee -er，-or，-ar paint—painter beg—beggar -ery brave—bravery slave—slavery -ese China—Chinaese Japan—Japanese -ess actor—actress waiter—waitress -ful hand—handful spoon—spoonful -hood child—childhood man—manhood -ics electron—electronics linguist—linguistics -ion，-ition，-ation collect—collection observe—observation -ism Marx—Marxism socialist—socialism -ist psychiatry—psychiatrist violin—violinist -ity，-ty cruel—cruelty pure—purity -ment move—movement retire——retirement -ness dark——darkness happy——happiness -ology climate——climatology future——futurology -ship friend——friendship scholar——scholarship -sion，-ssion decide——decision expand——expansion -th grow——growth wide——width -ure close——closure expose——exposure (2)动词前缀 -en deep——deepen fast——fasten -ify class——classify simple——simplify -ize，-ise modern——modernize / modernize popular——popularize / popularize (3)形容词后缀 -able，-ible suit——suitable question——questionable -al nature——natural structure——structural -an，-arian，-ian suburb——suburban Canada——Canadian -ant，-ent differ——different please——pleasant -ary，-ory advise——advisory custom——customary -ate consider——considerate fortune——fortunate -en gold——golden wood——wooden -ese China——Chinese Japan——Japanese -free care——carefree ty——ty-free -ful care——careful pain——painful -ic，-ical atom——atomic psychology——psychological -ish girl——girlish child——childish -ive create——creative support——supportive -less hope——hopeless pain——painless -like child——childlike lady——ladylike -ly man——manly month——monthly -ous，-ious danger——dangerous poison——poisonous -some tire——tiresome trouble——troublesome -ward down——downward up——upward -y guilt-guilty noise-noisy (4)副词后缀 -ly easy-easily heavy-heavily -ward，-wards east-eastward(s) north-northward(s) -wise clock-clockwise other-othewise（很辛苦的，你可要多多加分啊）追问前后缀有没有汉语解释啊？
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