时间:2018-12-19 作者:英语课 分类:英语PK台


英语课

 一个英语单词可分为三部分:前缀(prefix)词根(root)后缀(suffix)。位于词根前面的部分就是前缀。前缀,可以改变单词的意思。


contra- 表示“反对,相反”
contrary = contra + ry → adj. 相反的
contradict = contra + dict(说)→ 反着说 → v. 同…矛盾
contrast = contra + st(站)→ 反着站,面对着站 → vt. 对比;反差
counter-表示“反的,反对”
counteract 1 =counter + act(行动)→ 反对的行动 → v. 抵抗
counterpart = counter + part(部分)→ n. 对应的人或物
de-
1. 表示“去除,取消”
desperate = de + sper(希望;prosperity → pro 2 + sper +ity → 前面有希望, → n. 繁荣昌盛)+ ate → 去掉希望 → adj. 绝望的
despair = de + spair(由sper派生而来)→没了希望 →n./v. 绝望 
detect = de + tect(遮盖;protect = pro + tect → 在没遇到危险前就遮盖 → v. 保护)→ 去掉遮盖 → v. 发现,侦查
2. 表示“否定,反”
decompose 3 = de + compose(组成)→ 与组成相反 → v. 分解
destruction = de + struct(建造)+ ion → 与建造相反 → n. 破坏 

1 counteract
vt.对…起反作用,对抗,抵消
  • The doctor gave him some medicine to counteract the effect of the poison.医生给他些药解毒。
  • Our work calls for mutual support.We shouldn't counteract each other's efforts.工作要互相支持,不要互相拆台。
2 pro
n.赞成,赞成的意见,赞成者
  • The two debating teams argued the question pro and con.辩论的两组从赞成与反对两方面辩这一问题。
  • Are you pro or con nuclear disarmament?你是赞成还是反对核裁军?
3 decompose
vi.分解;vt.(使)腐败,(使)腐烂
  • The eggs began to decompose after a day in the sun.鸡蛋在太阳下放了一天后开始变坏。
  • Most animals decompose very quickly after death.大多数动物死后很快腐烂。
标签: 英语PK台
学英语单词
algicolous
aluminium phosphate
ameliorant
analytical distillation
Aola
apron Hottentot
Aythya ferina
Ban Talat Rangsit
bodekyn
bovrilizes
Bruegel, Pieter, the Elder
butt tons
cabin passenger's ticket
caudal lymph sinus
China Banking Regulatory Commission
circumflex humeral arteries
clockspring
combat test and evaluation
consumer-electronics
cracking in underwater weldment
Danaci
DECA device
deficiency curve
dialectical dialogue
disinteressed
displacement cliff
distolabial
Dobrinishta
dose(rate)meter
emery ball
emission to bearer
Eragrostis autumnalis
facility security clearance
fhp
flavier
Flintshire process
Fyn
Giong Gieng
girfriends
granger causality test with error correlation model (ecm)
hang it on
hardi
harmonic interval
heat sensitized mixing
induction alternator
inventers
juke box optical disk system
lemon basil
levoxadrol
logic memory
london scale
low voltage circuit
low-heat protland cement
lucrificable
machine-printeds
main hoist motor
main key
make good your retreat
mandibular disc
Manglish
measuring range extension
methotrexate
microbotics
military judge
misdirectors
monkless
necrosis of penis
night riders
Non-cleaning
octophyllite
ornia
outguesses
Packet sniffer
pellagra sine pellagra
praters
protospirura muricola
radio-hygiene
responden
reversing shape mill
riffler sampler
road hog
rond
semidecidable
seming
serling
ship certificates of inspection
shondly
sieve potato digger
simulation training for marine navigation
specif.
Spīn Būldak
stealth material
stock shortage
system defined record
tamanu
toe cleat
twin tandem
two-door sedan
unit of stress
USLSI
Voronezhskaya Oblast'
working regime of economic hydraulic horsepower