| 1.否定前缀 un- uncomfortable , unacceptable , unavoidable in- incomplete , incapable , indispensable , inevitable im- imperfect , impartial . immortal dis- disable , disadvantage mis- misplace , mislead , misfortune ab- abnormal de- deactivate , degrade il- illegal , illiterate ir- irregular , irrelative mal- malfunction , malnutrition non- nonhuman , nonsense 2. trans-across (横过) through(通过) beyond (那边)from one place to another Transaction 交易 Transit 搬运,运输 Transition 过渡,转变 transition from A to B transition period Transmission 传输,传送(无线电,电视) a live transmission现场直播 传播,继承cultural transmission文化的继承 Transcend 超出,超越(经验,信念,描写能力等)的范围 Transform 完全改变…的外观/特性 transformation (常做陪衬) Transfer 传递,迁移 3.com- , con- 1、加强语气 2、共同, 一起 Concentrate , consolidate , commemorate , conspicuous , concession 4. -tain l、支撑 2、保持,维持,保留 Sustain , retain , maintain 5. re- 再 , 又 , 回 , 反 Renew , reshape , refresh 6. uni- / mono- one (一个) , sole (单一的) Uniform , unique , unity monotonous (单调的), monopoly (垄断) 7. ex- 向外 , 超出 expand extend exceed excessive exclusive(ly) excursion 8. pre-/pro- 前,在前 precede, previous, premise, prevalent proceed, prominent, propel 9.magn- 大(large) magnify (microscope), magnificent, magnitude 10.viv- / vit- live, life 生命,生活 vivid, survive, revive vital, vitamin 11.inter-在……之间相互(叫) intervene, interfere 12. mai- hand (手) Manufacture , manipulate, manuscript 13. sci- knowledge 14. sub-/ sus 下，次，附属 Subsidiary subordinate(to) 15. laps 滑，落 （时间） elapse, collapse 16. spec- / spic- look Spectator, speculate, spectacular, perspective 17. clud(s)- , clos- 关闭 shut Conclude, include, exclude Close , exclusive(ly) 18. not note Notify notion(=idea) notorious 19. homo- same Homogeneously 20. simul- together Simultaneously 21. multi- 多，多部 Multiply, multitude 22. contra, contro 相反 Contradiction contrary controversy 23. dict- say, tell, speak dictate, dictator, dictionary, verdict, predict 24. per- through Permeate, perplex, permanent, perpetual, persistent 25. ver- truth Verify verdict 26. –logy study(学习) science Biology psychology 27. –vert/ -vers turn Divert advertise Diversify versatile reverse 28. –ics 作抽象名词的后缀，表学科 Economics politics physics 29.-ist 表示“人” Pianist geologist typist 30. bio- life Biography biology 31.-ician 从事……专业的人 Music musician 32. –ism …主义…论（抽象名词） Realism Marxism 33.-cid kill Suicide insecticide 34. mort- death Mortal mortality immortal 35. –scrib/-scrip write draw Describe inscribe prescribe subscribe ascribe Description inscription prescription subscription ascription 36.di-/du-/abmi-/bi- tow,double Dilemma/ duplicate/ ambiguous/ bilateral 37. tri- three Triangle 38. bene- good,well,happily Benefit beneficiary 39. volu/ volv roll(滚动) turn(转动) Evolution revolution Involve revolve evolve 40. fer carry(带) produce(生产) Transfer refer fertile 41. phil- love Philosophy 42. deca- ten Decade 43. cred believe Credible incredible credit 44. cent one hundred century 45. mill / kilo 一千，千分之一 Millennium million kilometer kilogram 46. dom master , control Domain Dominate dominant, predominant 47. val 有权力， 影响 Valid invalid valuable evaluate prevalent(popular) 48. graph / gram write Biography, geography / grammar, telegram 49. equi- 同等，相等 Equivalent equilibrium 50. bat beat 打 Debate combat battle batter battery 51. seg , sect cut Segment , segregate / section intersection 52. plex 折叠 Perplex complex 53. en- / -ify make Enlarge entitle enrich enable Simplify magnify signify certify testify clarify 54.sym- / syn- 共同same, 类似 similar sympathy symptom symmetry / syndrome 55. path feeling pathetic sympathy sympathetic 56. ceed / cess / cede / cest / cur run proceed recession, access, excess, successor precede, recede ancestor current currency excursion occur 57. serv 保存，保护（protect） conserve preserve 58. –able, -ible 可…… respectable, imaginable / comprehensible 59. hypo- 下，在…之下 hypothesis hypotension 60. –pel 推 propel, expel , repel , dispel , impel , compel 61. scend climb ascend descend 62. spir 气 aspire , inspire , expire, respire, conspire 63. sent , sens feeling sentimental sense, sensitive, consensus sensible 64. grav 重 grave, gravity, aggravate (grieve) 65. lev 轻， 上升 alleviate, elevate (relieve) 66. rupt break bankrupt, interrupt, rupture, corrupt 67. fabr, text 编 fabric , fabricate / texture, textile, pretext 68. flu 流 influenza(flu) fluctuate 69. sur super surplus, surpass | 
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