一、合成詞 download
onlooker
online
outdoor(s)
outlet
output/input
outstanding
outlook
outline
outside/inside
overall
overcoat
overtime
overnight
oversea(s)
overcome
overhead
overtake
overthrow
update
upright
upset
upstairs
upside-down
up-to-date
upwards
understanding
undergo
underground undergraduate
underline
undertake
ballpen
blackboard
bathroom
basketball
chairman
daytime
earthquake
eyesight
fireplace
fisherman
football
footprint
framework
gunpowder
haircut
handbook
handball
handout
handwriting
headache
headquarter
headmaster
highway
keyboard
landlord
mainland masterpiece
meantime
nearby
network
offspring
otherwise
overall
passport
platform
pencilbox
postcard
postman
railway/road
salesman
seaman
sightseeing
snowstorm
spacecraft/ship
sportsman
tradesman
viewpoint
warehouse
waterfall
waterproof
widespread
worldwide
well-known
剪截詞
dorm
exam
gym
fridge
photo
maths
high-tech
二、常見詞綴：
（一）前綴
位置：ex-, e-, extra-, over-，out-, under-; in-, im-, inter-, mid-; pre-, sub-, sug-, suf-, sup-, super-, sur-, post-; tele-; trans-; cross-
大小多少：uni-, mono-, bi-, tri-, mini-, multi-, kilo-, micro-, macro-; semi-, hemi-; poly-,
否定意義：anti-； de-; di-, dif-, dis-； counter-, anti-, contra-; in-, im-, il-, ir-； mis-, mal-; un-; non-, pseudo-,
聯(lián)想：col-, cor-, com-, con-; re-; vice
變動(dòng)詞: be-, en/em
其他：auto-, self-; bio-; by-, step-; ultra-
（二）后綴
表示人： -er, -ee, -eer, -or, -ar, -ian, -ent, -ant, -ist, -ese, -ess
學(xué)科：-ology, -ture, -ics
抽象意義----身份，狀態(tài)，性質(zhì) -ity, -ship, -hood (加在名詞后), -ness（加在形容詞后）-th, -ure
行為：-ment, -ion, -tion, -ation, -sion, -age, -ance/-ence （加在動(dòng)詞后）
形容詞后綴：-tive, -ous, ful/-less; able/ible, -ent, -ant; -ory, -ary; -like/ish; -ly; -y; -some; -ward
動(dòng)詞后綴: -ize, -fy, -ate, 等
三、常見詞根及構(gòu)詞
pos = put 放置
pose, position, expose, exposure, compose, composition, propose, proposal, oppose,
opposition, impose, dispose, disposal, preposition
tract = draw 拉，抽，引
tractor, attract, attraction, attractive, distract, subtract, contract, abstract, drag, draw, straight, straighten, stretch
sec, sequ = follow 跟隨
second, secondary, sequence, subsequent, consequence, consequently
vid, vis, vey, vy = see 看
visible, vision, visibility, invisible, visual, video, videophone, revise, revision, supervise, supervision, evident, evidence, visit
spect=look 看
spectator, spectacle, spectacular, prospect, inspect, inspection, expect, expectation, respect, respectable, respectful, respective, respected, suspect, suspicion, specific, despite
mob, mov, mot = move動(dòng)
mobile, mobility, mobilize, automobile, motion, motive, motivate, motivation, motor, move, promote, promotion, emote, remote
ced, ceed, cess , gress = go, walk 行走
precede, proceed, procedure, process, exceed, excess, excessive, succeed, success, successful, succession, successive, successor, access, accessible, progress, congress, regress, aggressive
rupt=break破
bankrupt, interrupt, corrupt, disrupt, erupt
mini, min = small, little 小
miniskirt, minimize, minimum, minus, minute, minority, diminish
scrib, scrip 寫，記，抄
describe, description, script, manuscript, prescribe, prescription
dict, dic = say 言，說(shuō)
diction, dictionary, contradict, dictate, dictation, dictator, predict, prediction, predictable, indicate, verdict
miss, mit = send 投，送，發(fā)
mission, missile, dismiss, dismissal, transmit, transmission, emit, emission, promise, compromise, committee, commission
port = carry 拿，帶，運(yùn)
portable, import, export, transport, report, support
leg, legis 法
legal, legalize, illegal, legislate, legislation, legislature
solu, solv 洗，溶解
solution, solve, resolve, resolution, dissolve
press 壓
impress, impression, express, suppress, depress
viv, vit=live活：
live, living, lively, survive, livelihood, alive, revive, vivid, vital, vitamin
count=number:
account, accountant, discount, number, numeral, numerous, innumerable
ag=act 行動(dòng)，做：
action, exactly, react, interact, transact, radioactive, agent, agenda, agency,
fac(t)=make做，作，制造：
facility, factory, faculty, affect, defect, infect, perfect, efficient, fiction, artificial, proficiency, feasible
sign=mark記號(hào)，信號(hào)：
remark, signal, signature, design, designate, significance, resign
du, doub, coup=two二：
dual, double, doubtful, couple, dubious, duplicate, dual
spher=ball球：
balloon, ballot, hemisphere, atmosphere
popul, publ=people人：
popular, public, publicity, republic, publish, republican, population,
men, min=mind心靈，精神：
mind, remind, mention, mental, comment, memory, memorial, remember, commemorate
struct=build建造：
construct, instruct, obstruct, destruction, destroy
fund, found=base基礎(chǔ)：
basement, basis, foundation, profound, fund, refund, fundamental
part=divide分，分開：
dividend, individual, particle, participate, particular, partner, apart, counterpart, depart, impartial, department, party, apartment, compartment
pend,pens-hang懸掛：
dependent, independence, append, appendix, suspend, pension
duc(t)=lead引導(dǎo)：
conduct, deduct, misconduct, educate, induce, introduce, produce, reduce,
oper=work工作：
operate, cooperate, opera
ven,vent=come來(lái)：
venture, adventure, avenue, convention, invent, eventually, prevent, intervene
voc,vok=claim呼喊，叫喊，聲音：
proclaim, reclaim, exclaim, advocate, provoke, vocal, voice,
sect=cut切，割：
section, segment, intersection, sector
grat, grac, gree=please高興，感激：
grace, grateful, gratitude, congratulation, agree, agreeable, greet, pleasure, pleasant, disagree
vail, val=worth價(jià)值：
worth, worthy, worthwhile, available, prevail, value, valid, validity, valve, evaluate, equivalent
pel, peal, puls=drive驅(qū)動(dòng)：
appeal, compel, compulsion, compulsory, propel, pulse, impulse (320)
alter改變；aptitude能力；disastrous災(zāi)難的；banish放逐; combat戰(zhàn)斗；calculate推算；excavate挖掘；accelerate加速；certify證明; coincide, concur同時(shí)發(fā)生；circulate循環(huán)，流通；declination傾斜，下垂；discord不和；durability耐久性；equilibrium平衡，均勢(shì); diffident缺乏自信的；domain領(lǐng)地; infinity無(wú)限性；afflict使苦惱，折磨；formulate構(gòu)思，規(guī)劃；fortify, reinforce加強(qiáng); frigid寒冷的；fuse熔化，融合；geometry幾何；congest擁塞，充滿；degrade降級(jí)，墮落；heredity遺傳；hinder阻礙；hydraulics水利學(xué)；transit轉(zhuǎn)移；junction連接點(diǎn)；collaborate合作；elapse流逝; latitude緯度；alleviate減輕; magnify放大；manipulate操縱；submerge/immerse沉沒；symmetry對(duì)稱; eminent杰出的；negligible可以忽略的；notorious臭名昭著的；optimum條件, demography
onlooker
online
outdoor(s)
outlet
output/input
outstanding
outlook
outline
outside/inside
overall
overcoat
overtime
overnight
oversea(s)
overcome
overhead
overtake
overthrow
update
upright
upset
upstairs
upside-down
up-to-date
upwards
understanding
undergo
underground undergraduate
underline
undertake
ballpen
blackboard
bathroom
basketball
chairman
daytime
earthquake
eyesight
fireplace
fisherman
football
footprint
framework
gunpowder
haircut
handbook
handball
handout
handwriting
headache
headquarter
headmaster
highway
keyboard
landlord
mainland masterpiece
meantime
nearby
network
offspring
otherwise
overall
passport
platform
pencilbox
postcard
postman
railway/road
salesman
seaman
sightseeing
snowstorm
spacecraft/ship
sportsman
tradesman
viewpoint
warehouse
waterfall
waterproof
widespread
worldwide
well-known
剪截詞
dorm
exam
gym
fridge
photo
maths
high-tech
二、常見詞綴：
（一）前綴
位置：ex-, e-, extra-, over-，out-, under-; in-, im-, inter-, mid-; pre-, sub-, sug-, suf-, sup-, super-, sur-, post-; tele-; trans-; cross-
大小多少：uni-, mono-, bi-, tri-, mini-, multi-, kilo-, micro-, macro-; semi-, hemi-; poly-,
否定意義：anti-； de-; di-, dif-, dis-； counter-, anti-, contra-; in-, im-, il-, ir-； mis-, mal-; un-; non-, pseudo-,
聯(lián)想：col-, cor-, com-, con-; re-; vice
變動(dòng)詞: be-, en/em
其他：auto-, self-; bio-; by-, step-; ultra-
（二）后綴
表示人： -er, -ee, -eer, -or, -ar, -ian, -ent, -ant, -ist, -ese, -ess
學(xué)科：-ology, -ture, -ics
抽象意義----身份，狀態(tài)，性質(zhì) -ity, -ship, -hood (加在名詞后), -ness（加在形容詞后）-th, -ure
行為：-ment, -ion, -tion, -ation, -sion, -age, -ance/-ence （加在動(dòng)詞后）
形容詞后綴：-tive, -ous, ful/-less; able/ible, -ent, -ant; -ory, -ary; -like/ish; -ly; -y; -some; -ward
動(dòng)詞后綴: -ize, -fy, -ate, 等
三、常見詞根及構(gòu)詞
pos = put 放置
pose, position, expose, exposure, compose, composition, propose, proposal, oppose,
opposition, impose, dispose, disposal, preposition
tract = draw 拉，抽，引
tractor, attract, attraction, attractive, distract, subtract, contract, abstract, drag, draw, straight, straighten, stretch
sec, sequ = follow 跟隨
second, secondary, sequence, subsequent, consequence, consequently
vid, vis, vey, vy = see 看
visible, vision, visibility, invisible, visual, video, videophone, revise, revision, supervise, supervision, evident, evidence, visit
spect=look 看
spectator, spectacle, spectacular, prospect, inspect, inspection, expect, expectation, respect, respectable, respectful, respective, respected, suspect, suspicion, specific, despite
mob, mov, mot = move動(dòng)
mobile, mobility, mobilize, automobile, motion, motive, motivate, motivation, motor, move, promote, promotion, emote, remote
ced, ceed, cess , gress = go, walk 行走
precede, proceed, procedure, process, exceed, excess, excessive, succeed, success, successful, succession, successive, successor, access, accessible, progress, congress, regress, aggressive
rupt=break破
bankrupt, interrupt, corrupt, disrupt, erupt
mini, min = small, little 小
miniskirt, minimize, minimum, minus, minute, minority, diminish
scrib, scrip 寫，記，抄
describe, description, script, manuscript, prescribe, prescription
dict, dic = say 言，說(shuō)
diction, dictionary, contradict, dictate, dictation, dictator, predict, prediction, predictable, indicate, verdict
miss, mit = send 投，送，發(fā)
mission, missile, dismiss, dismissal, transmit, transmission, emit, emission, promise, compromise, committee, commission
port = carry 拿，帶，運(yùn)
portable, import, export, transport, report, support
leg, legis 法
legal, legalize, illegal, legislate, legislation, legislature
solu, solv 洗，溶解
solution, solve, resolve, resolution, dissolve
press 壓
impress, impression, express, suppress, depress
viv, vit=live活：
live, living, lively, survive, livelihood, alive, revive, vivid, vital, vitamin
count=number:
account, accountant, discount, number, numeral, numerous, innumerable
ag=act 行動(dòng)，做：
action, exactly, react, interact, transact, radioactive, agent, agenda, agency,
fac(t)=make做，作，制造：
facility, factory, faculty, affect, defect, infect, perfect, efficient, fiction, artificial, proficiency, feasible
sign=mark記號(hào)，信號(hào)：
remark, signal, signature, design, designate, significance, resign
du, doub, coup=two二：
dual, double, doubtful, couple, dubious, duplicate, dual
spher=ball球：
balloon, ballot, hemisphere, atmosphere
popul, publ=people人：
popular, public, publicity, republic, publish, republican, population,
men, min=mind心靈，精神：
mind, remind, mention, mental, comment, memory, memorial, remember, commemorate
struct=build建造：
construct, instruct, obstruct, destruction, destroy
fund, found=base基礎(chǔ)：
basement, basis, foundation, profound, fund, refund, fundamental
part=divide分，分開：
dividend, individual, particle, participate, particular, partner, apart, counterpart, depart, impartial, department, party, apartment, compartment
pend,pens-hang懸掛：
dependent, independence, append, appendix, suspend, pension
duc(t)=lead引導(dǎo)：
conduct, deduct, misconduct, educate, induce, introduce, produce, reduce,
oper=work工作：
operate, cooperate, opera
ven,vent=come來(lái)：
venture, adventure, avenue, convention, invent, eventually, prevent, intervene
voc,vok=claim呼喊，叫喊，聲音：
proclaim, reclaim, exclaim, advocate, provoke, vocal, voice,
sect=cut切，割：
section, segment, intersection, sector
grat, grac, gree=please高興，感激：
grace, grateful, gratitude, congratulation, agree, agreeable, greet, pleasure, pleasant, disagree
vail, val=worth價(jià)值：
worth, worthy, worthwhile, available, prevail, value, valid, validity, valve, evaluate, equivalent
pel, peal, puls=drive驅(qū)動(dòng)：
appeal, compel, compulsion, compulsory, propel, pulse, impulse (320)
alter改變；aptitude能力；disastrous災(zāi)難的；banish放逐; combat戰(zhàn)斗；calculate推算；excavate挖掘；accelerate加速；certify證明; coincide, concur同時(shí)發(fā)生；circulate循環(huán)，流通；declination傾斜，下垂；discord不和；durability耐久性；equilibrium平衡，均勢(shì); diffident缺乏自信的；domain領(lǐng)地; infinity無(wú)限性；afflict使苦惱，折磨；formulate構(gòu)思，規(guī)劃；fortify, reinforce加強(qiáng); frigid寒冷的；fuse熔化，融合；geometry幾何；congest擁塞，充滿；degrade降級(jí)，墮落；heredity遺傳；hinder阻礙；hydraulics水利學(xué)；transit轉(zhuǎn)移；junction連接點(diǎn)；collaborate合作；elapse流逝; latitude緯度；alleviate減輕; magnify放大；manipulate操縱；submerge/immerse沉沒；symmetry對(duì)稱; eminent杰出的；negligible可以忽略的；notorious臭名昭著的；optimum條件, demography