最最常用的50个英语字根课件

1-5

6-10

11-15

16-20

21-25

26-3031-35

36-40

41-45

46-50最最重要的50字根1.a,an＝not,without否定，无an-onym-ous：without-name-adj.匿名的ab-normal：normaln.正规,常态,[数]法线～切线tangent,adj.正常的,正规的,标准的2.ambi,amphi=both,around两者，周围ambienttemperature室温ambi-dextr-ous=both-righthand-adj双手灵巧的4.ante＝beforeante-room前厅，接待室anterior在……之前，较早的ante-diluvian《圣经》诺亚造方舟，大洪水前的，n.夸张老古董，旧观念5.anthrop=humananthropo-logy=human-studyof人类学phil-anthrop-ist=love-human-n.慈善家mis-anthrope=hate-human厌世者6.anti=against,oppositeanti-bio-tic抗生素；抗生的ant-arctica南极洲anti-freeze抗冻剂7.auto=selfauto-bio-graphy:自传auto-mobile:汽车motorcar…motorcycle=autobike…bicycleChinaMobile中国移动……中国联通ChinaUnicom9.bi=twobi-lingu-al=two-language-adj双语的、聪明且反应灵敏bi-later-al=two-side-adj.双边的，双边会谈，双边协定bicolor双色的11.chron=time

chronicdisease慢性病syn-chron-ize=together-time-v.同时发生，同步如：T＝togethercom-pan-ion=together-bread-n同伴……共享面包的人co-education男女合校教育14.cred＝tobelievein-cred-ible＝not-tobelieve-adj不可信的cred-ence＝tobelieve信任15.dem＝peoplepan-dem-ic＝all-people-adj流行全国的，普遍的……pan多义bread、alldemo-cracy＝people-rule民主政治，民主主义16.dict＝speakpre-dict＝before-tospeak预言contra-dict＝against-tospeak反驳17.equ＝equalequ-ator赤道equi-later-alequilateraltri-angle等边三角形equable稳定的……Hawaiihasanequableclimate，equallypleasantinsummerandwinter.译：夏威夷气候稳定，冬夏宜人。19.ex＝oute-radic-ate＝out-root-v根除existexcursion远足education教育20.fid＝trustcon-fid-ant＝wholly-trust-n密友，知己……死党dif-fid-ent＝not-faith-adj缺乏自信的22.graph，gram＝writepro-gram＝before-write节目auto-graph＝self-write亲笔23.log＝speechmono-logue＝one-speech独白……hamlet:tobeornottobe生存还是毁灭dia-logue＝between-speech对话25.loqu,loc＝speeche-loqu-ent＝out-speech-adj雄辩的col-loqu-ial＝together-speech-adj俗语的……colloquiallanguage译：口语26.mal＝bedmal-ice＝bad-n恶意malicioussoftware流氓软件mal-ign-ant＝bad-produce-adj恶性的，致命的27.meter＝measurepara-meter＝alongside-measure参数geo-metr-y＝earth-measure-n几何学29.morph＝formmorph-ine＝form-givennames吗啡meta-morphosis＝change-formation蜕变anthrop-morph-ism＝human-form-n与人同形，神人同形论30.pan＝allpan-acea＝all-cure万灵药thePan-AmericanUnion泛美联盟(包括二十三个美洲国家,建于1890年)31.path＝feelingsym-path-y＝together-feeling-n同情a-path-y＝without-feeling-n冷漠32.ped＝footcenti-pede＝hundred-foot蜈蚣……百足之虫，死而不僵ex-pedi-tion＝out-foot-n远足33.phil=lovephilo-soph-y＝love-wisdom-n哲学biblio-phile＝book-love珍爱书籍者，藏书家phil-anthrop-ist慈善家34.phobia=fearacro-phobia＝topmost-fear恐高症……acro-bat=-walk杂技演员，特种飞行员photo-phobia＝light-fear畏光症hydro-phobia＝water-fear恐水症→狂犬病35.phon=soundsym-phony＝together-sound交响乐poly-phon-ic＝many-sound-adj多音的，多声合成的saxophone萨克斯风，sax人名36.post＝afterpost-pone＝after-put延期pre-poster-ous＝before-after-adj反常的，荒谬的p.s.＝post-script＝after-write信后附言37.pre＝beforepre-coci-ous＝before-cook-adj早熟的……特指智力方面un-pre-cedent-ed＝not-before-togo-adj史无前例的38.pro＝before，forpro-mot-ion＝forward-move-n升迁，晋阶pro-American＝for-亲美的39.re＝back，againre-flect＝back-bend反射re-vive＝again-live复活re-viewgoover40.scrib，script＝writepre-scribe＝before-write命令，规定，开药方……先行manu-script＝hand-write手稿，草稿sub-scribe＝under-write签署，同意41.sed，sid＝sitsed-ative＝sit-adj./n.镇定剂pre-sid-ent＝before-sit-n总统，校长，董事长，总经理42.spect＝lookin-spect＝into-look检查，视察re-spect＝again-look尊敬per-spect-ive＝through-look-adj透视法，远景，前途，见解43.sub＝undersub-way地铁sub-committee附属委员会44.super＝abovesuperstar/superman/superconduct超级明星/超人/超导superexcellent卓越的，绝佳的super-son-ic＝above-sound-adj超声波的super-sti-tion=above-stand-n迷信45.sym，syn＝togethersyn-the-sis＝together-put-adj合成的，人工制造的sym-meter＝对称syn-drome＝together-run综合症状

SevereAcuteRespiratorySyndrome=SARS严重急性呼吸道综合症46.tele＝fartelephone、television＝TVtele-path-y＝far-feeling-n心灵感应tele-typewriter＝far-打字电报机47.tort＝twistre-tort＝back-twist反驳~~respondtorch火炬，twistedflaxdippedintallow在动物油里蘸过的亚麻条atortuouspath羊肠小道48.ver＝trueveri-fy＝true-v证实verygood＝真好！ Theveriestbabycoulddoit.提示：veriest=very的最高级:十足的/最小的小孩也做得到。49.vert、vers＝turnuni-verse＝one-turn宇宙……因自转而最终成一整体contro-vers-y＝against-turn-n辩论 co