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-shosshe
Adase
Anaconda-Trail process (for zinc extraction)
anti-siccative agent
articleless
Asplenium pinnatifidum
average speed
besugo
binary tree processor network
blending mixer
boiled-out water
Bus Interface Unit
chessels
ciudad trujilloes
co-sleeper
Cobourg Peninsula
coeffcient scale
command service
commnad control program
correction of permanent set of rail
count of dot
coupling spud
deeply-rooteds
demi-cadence
dibromobutyric acid
discharge sump
display subsystem
diuretic mixture
divecha
dog-star
dot and dash signal
double-heights
ECAP
emetines
encephaloceles
endless main
equity ownership
experimental farm
Ferula lehmannii
filbore
fist-pump
flareout analysis
generalized programming extended
groot-vis (great fish r.)
half section
halon fire extinguisher
high tension bushing
history of embryology
holding your breath
hoxes
increasing the solubility of zinc compounds
indizating agent
intern in
jacquard lever
jasjit
juvenile fish
Kairatu
keep your hair on!
labial necrosis of rabbits
Landowska, Wanda
lesbianisms
liathaches
line stocks
Liparis elliptica
low pressure turbine
low-molecular-weight
Mauthner's tests
media hub
mesotonic
metamorphized
microaspirations
monogerm
muster out (of service)
Naxalites
offshore waters
planesful
plasma-arc melting
puffing agent
ratio of asset value to sales
reactor head
refrigerating system oil separator
reutilizes
right-sider
sediment-depositing side of bend
sequential pyrolysis
shop activity edit
short anneal furnace
simply supported at the edges
social ads
sodium nickelous(ii) sulfate
sporoblast
ssgas
subvertise
synnes
tabernacler
the documents
there but for the grace of god
through midsole
tractography
traverse table mapping
up-until
wear-resistant quality