1．否定前綴
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
2. trans — across（橫過）through（通過）beyond（那邊）from one place to another
transient 短暫的
transplant 移植（器官）
transaction 交易
transition 過渡，轉變
transition from A to B transition period
transmit 傳輸，傳送（無線電，電視）
transmission (n)
a live transmission 現場直播
cultural transmission 文化的繼承
transform 完全改變…的外觀/特性
transformation(常做陪襯)
transfer 傳遞，遷移
translate 翻譯
transport 運輸
3. com-, con- 1、加強語氣 2、***同，壹起
combine, compete, compromise
confirm, conspicuous, concession
4. -tain 1、支撐 2、保持，維持，保留
sustain， retain, maintain
5. re- 再，又，回，反
renew, reshape, refresh
6. uni- / mono- one （壹個），sole（單壹的）
uniform, unique, unity
monotonous （單調的），monopoly （壟斷）
7. ex- 向外，超出
expand extend exceed excessive exclusive(ly) excursion
8. pre-/pro- 前，在前
predominant 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……之間 相互
intervene, interfere
12. man- hand （手工）
manufacture , manipulate，manuscript
13. sci- knowledge
science, scientific, consciousness
14. sub- / sus- 下，次，附屬
subsidiary subordinate(to)
sustain
15. laps 滑，落
(時間)elapse, collapse
16. spec- / spic- look
spectator, speculate, spectacular, perspective
conspicuous
17.clud（s）-, clos- 關閉shut
conclude, include ,exclusive close
18. not note
notify notion(=idea) notorious
19. homo- same
homogeneously
20. simul- together
Simultaneously
21. multi — 多，多倍
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（學習） science
biology psychology
27. -vert / -vers turn
divert advertise
diversify versatile reverse
28. -ics 作抽象名詞的後綴，表學科
economics politics physics
29. -ist 表示“人”
pianist geologist typist
30. bio- life
31. -ician 從事……專業的人
music → musician
32. -ism ……主義……論（抽象名詞）
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-/ambi- /bi- two, double
dilemma / duplicate / ambiguous/ bilateral
37. tri- three
triangle
38. bene- good, well, happily
benefit beneficiary
39. volu/ volv roll（滾動）turn(轉動)
evolution revolution
involve revolve evolve
40. fer carry（帶） produce（生產）
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 壹千，千分之壹
millennium million kilometer kilogram
46. dom master, control
domain
dominate, dominant, predominant
47. val 有權力，影響
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 折疊
perplex complex
53. en- / -ify make
enlarge entitle enrich enable
simplify magnify signify
54. sym- / syn- ***同same, 類似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,保護(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
aspire, inspire, expire, respire, conspire
63. sent, sens feeling
sentimental
sense, consensus
64. grav 重
grave, gravity, aggravate (grieve)
65.lev 輕，上升
alleviate, elevate (relieve)
66.rupt break
bankrupt, interrupt, corrupt