构词法：词干(背单词的好方法)

构词法：词干acu:sharpacute敏锐的；尖锐的acumem敏锐；聪明acupuncture针灸alti:highaltitude高度altimeter高度计exalt提高；提升ambula:walkambulance救护车ambulant流动的ambulate行走、移动ann:yearanniversary周年纪念annual每年的annals编年史anthro:mananthropoid似人类的；类人猿anthropology人类学anthroposociology人类社会学arch:rulermonarch君主anarchism无政府主义patriarch家长、族长aster/astr:starastrology占星术astronomy天文学asterisk星号，星标audi:hearingaudience听众audible听得见的audiphone助听器auto:selfautomation自动化autobiography自传autosuggestion自我暗示bio:lifebiology生物学biography传记biocide杀虫剂brevi:shortbrief简短的brevity简洁abbreviate缩写capit:headcapital首都decapitate斩首capitation人头税；按人收费ced:go;moverecede后退；引退unprecedented史无前例的precede先行，居先cess:go;moveaccess通路process进展chron:timechronology年表，年代学chronic慢性的synchronal同步的，同时发生的cide:kill;cutsuicide自杀insecticide杀虫剂bactericide杀菌剂confid:trustconfidential机密的confide吐露(秘密)cord:heartaccordance一致，调和concord协调，同意discord不和，不一致cred:trust;beliefcredit信用；信任incredible难以置信的credulous轻信的cur:run;movecurrent潮流excurse远足，旅行incursion入侵，进入cycl:circle;wheelbicycle自行车tricycle三轮车hemicycle半圆的dic/dict:say;speakindicate指示，暗示dictate口授diction措词domin:rule;controldominate主宰indomitable不屈不挠的duce/duct:lead;takeintroduce介绍induce引诱conduct指导equ:same;equalequality平等equivalence对应物equator赤道faci:easyfacile易得到的，不花力气的facilitate使...容易fact:make;domanufacture制造factory工厂benefactor恩人，施恩者fer:carry;bringferry轮渡transfer搬运，转移interfere干预fin:end;limitfinalize使...了结infinite无限的define限定，下定义flect/flex:bendreflect反射，反映flexible易弯曲的reflexctor反射镜flu:flowinfluence影响fluent流利fluid流动的；液，流体form:shapereform改革conform符合frag:breakfragile易碎的fragment碎片fracture骨折gen:producegenerate产生genetics遗传学genesis起源，创始geo:land;earthgeology地理学geometry几何学geocide地球末日grad:go;stepgraduate毕业gradual逐步的degrade退化，堕落graph/gram:write;writingtelegraph电报program节目，说明书diagram图表grate/grati:thanksgrateful衷心感谢的gratitude感谢grav:heavy;seriousgravity重力；严重性grave严重的gravimeter比重计，测重器gress:go;walkprogress进步aggressive侵略的congress会议herb:grassherbal草本植物的；草药书herby长满草的，似草的humid:wethumidity湿度，湿气humidify使湿润hydr:water;liquidhydroelectric水电的hydroplane水上飞机hydrospace海洋世界ject:throweject喷射；逐出inject注射reject拒绝juven:youngjuvenile青少年rejuvenate(使)返老还童juvenilia少年文艺读物just/jur:justjustify证明正确jurist法学家jury陪审团labor:worklaborious费力的collaborate合作，协作later:side;partybilateral双边的unilateral单方的equilateral等边的leg:lawlegislate立法illegitimate非法的legislature立法机关literat:letterliterature文学illiterate文盲semiliterate半文盲的magni:big;greatmagnificent宏大的magnify放大magnitude巨大，广大man(u):handmanufacture生产，加工manage管理manuscript手稿mar:seasubmarine潜艇maritime海事的，海运的mariner海员meter/metri:measurethermometer温度计altimeter高度计mit/miss:sendemit放射vomit呕吐transmission播送，传送mort:deathmortal致命的immortal不朽的postmortem死后的nomin:namenominal名义上nominate提名innominate无名的，匿名的nounce:proclaimpronounce发音denounce公开指责ortho:straight;correctorthodox正统的orthopaedy矫正术pater/patr:fatherpaternal父亲般的patriarch(男性)族长patricide弑父；杀父者pathy:feelingsympathy同情antipathy反感empathy移情ped:footpedestrain行人expedition远征(队)pedal足的；踏板pel/pulse:push;driveexpel驱逐impulse冲动dispel驱散pend/pens:useup;hangexpense花费expenditure开支suspend悬浮；使悬而未决phon:soundheadphone耳机symphony交响乐microphone麦克风plic:foldduplicate二倍的，副本complication综合症；并发症；复杂implicit含蓄的port:carryporter脚夫export出口passport护照pose:put;placepropose建议dispose处理expose使暴露，揭发prim:initial;firstprimary初级的primitive原始的prime首要的，最初的psych:mindpsychology心理学psychoanalysis心理分析punct:pointpunctuate加标点acupuncture针灸punctual准时的，精确的rupt:breakcorruption腐败interrupt打断bankrupt破产scop:see;lookatmicroscopic微观的macroscopic宏观的scope:instrumentforobservingmicroscope显微镜telescope望远镜scribe/script:write;writing;lookatdescribe描述prescription处方sequ:followconsequence后果sequence次序sequel结局，续集sens/sent:sense;feelingsentimental多愁善感的sensitivity灵敏度consent赞同simil:likesimilarity共性simile明喻similarsol:alonesole唯一的solitary单独的soliloquy独白soph:wisephilosopher哲学家sophisticated老练的，尖端的pansophic无所不知的spec(t):see;lookatinspect视察expect盼望retrospect回顾suspect怀疑prospect展望respect尊敬spir:breatherespiration呼吸perspire出汗expire死亡断气struct:buildconstructive富有建设性的superstructure上层建筑destruction毁灭stup:bemotionlessstupid愚蠢stupefy使麻木；使呆若木鸡stupor昏迷，麻木sum:useup;takeconsumption消费assume自以为resume继续进行tain:holdmaintain维持attain获得abstain放弃，戒，禁the(o):godtheology神学theist有神论者atheism无神论thermo:heatthermometer温度计thermonuclear热核的thermos热水瓶tract:drawtractor拽引机，拖拉机attract吸引distract分散vent:comeadvent来到，出现convention会议contravention违反，抵触verb:wordverbal词语的，动词的hyperverbal说话太多的vert/vers:turnconvert转移version译本subvert推翻，颠覆vid/vis:seevision视力，视觉invisible看不见的visibility能见度viv:lifevivid生动的revive复活survive幸存，逃生voc/vok:call;voiceevoke唤起，召唤advocate倡议，倡导vocalist歌唱家，声乐家volv:rollrevolver左轮手枪；转炉revolution革命evolve进化，演化