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
a capite ad calcem
a shit
acylated starch
agriculture secretaries
altarelli-parisi equation
ankersmit
Arrhenius' formula
bad zwischenahn
be ashamed at
belting up
bloused back
borough English
bottom-dwelling
catalyst post-treatment
cedarville
Collin's bleacher
condylarth
continuous stationery
corroid
cut-and-mitred-string
delivery lag
disentrance from
dynamo drive jockey pulley
electrostatic agglomeration in space
embedded flash drive
eremo-
Fergana Too Tizmegi
fibrose phthisis
film maintenance
forwarding charges
foundation member
government owned
governor stop arm
Great Britain
hackfests
half-select pulse
heparin sulfate
individual factor
inflatable rubber boat
inner frame
intractable angina pectoris
intrinsic stochasticity
isomorphism theorem
issurance price
key pitch
level crossing signal box
lofts man
manufacturing adjustment lead time
marionville
microautosampler
monomized solids
More power to your elbow!
Nasmyth's membranes
nominative certificate
nonetched
noninevitable
nucleus raphes pallidus
open heartedness
ore wagon
oss
per-rectum
polymerizes
polypectate gel
port tack yacht
post-coups
prettiness
pulmo-cutaneous artery
quazi
raybin
reactivity equivalent
rear edge contact
reciprocal basis
renyx
resin boxing
Rodach
sawdan
seed vessels
seriating
sexsational
shawmists
snakeling
solid-stat electronics
spend caustic
spring shovel spreader
strain indication
superboards
supracellular components
tachytrophism
tax-bearing capacity
telespectator
thallium trisulfide
tray lunch
tuit-
two-band receiver
undern-tide
underpass shaving method
untheorizing
ventriculo-atrial conduction
vesicourethral angle
well-bakeds
Weyburn
William Golding