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
accrued income taxes
Alba Fucens
alkyl nitrate
b-string
be kept perfectly
between layers
blackleaded
bodywork length
boxfish
brider
by-roads
cavernae corporis spongiosi penis
chemistry in ecology
confirming judgement
copy choice thoery
cork float
cumuli
diaphragmatic pleurisy
diffracted beam
dinner-parties
directory position
discipline-baseds
disjunctive proposition
engravers copper
environment disruption
Espevik
expiscator
expression analysis
fire up
flouncingly
fluoxetine hydrocholoride
frost hollow
fundament
gape-seed
gnathostomulid
greenidea shimae
horse-radishes
hypochromatic
industrial sewerage
intermediate longitudinal girder
internal auditory meatus
irrotational vortex
k.y
Kechror
Knocklayd
loading network
MARH
microbial immunology
mo-ree
moiraine
monady
Multe-Pak-4
multiple-baseline
mushroom body
news desk
noncivilian
nonmeningitic
orientable combinatorial manifold
Ounissoui
parton distribution function
pay respect to
phenological division
play-by-play
postdrilling
printed circuit
pseudodifferential operator
public transit system
pulmonary compliance
Rajneeshees
record target
reductive benzylation
risinghills
Saskatonians
schwannitis
sea-bottom
secondary gangrene
security support provider interface
self polarizing relay
sentimentalising
separated flame
slab synchro
sole arbitrator
specimen cooling holder
star coupling
straight wheel plate
striate body
Sui dynasty
sun projector
swinging fork type bale loader
synthetic sandalwood oil
ternatus
the Louisiana Territory
top steadier
unnearable
vermiphobia
versene(EDTA)
waxwork
what the hey!
wide gate generator
Yellow Sea Cold Water Mass
Your guess is as good as mine.
zoroastrianisms