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 man of his hands
Abundances of elements
al jazah (jiza)
american watercresses
anglophilic
antisubmarine suport aircraft carrier
approach receiver
arrester
battle-line
black acanthosis
bluesnarf
Bāhtarān, Ostan-e
cadaline
called line identification facility
cambril
cast sth into the shade
Celastrus L.
cholesterololeate
chrzypsko wielkie
classification of income by organization unit
clove-like
colicine
conformers
Conkal
Cullen, Countee
current modulation
DC signalling
dickeybirds
dishful
earliest activity start time
enopla
exhaust-nozzle
f?ng yang ko
Faraway Place
fated throttle
ficoin
flips the script
genus Ursus
golden crownbeard
half-pay
heckova
highjackings
hoboism
honor bound
in the stress of the moment
indexing fixture
india formation
infortune
initial deformation point
interfering signal
kabylie
kida
kinesiological
Kwan-tu
lamellar compound
law of elasticity of demand
legacy port
lipotropin (lph)
luthmer
mai-tai
morphology of lakes
mosaic cracking
motor-speed controller
next best thing
Nine Inch Nails
non-available nutrient
obscurantism
parametric resonance
Pegomya hyoscyami
perichaetium
photoisomerizing
pot-et-fleur
pottery figurine
poultrymen
pseudocomplement
qala-i-jangi
read it and weep
Redband
rerendering
reversible metabolic pathway
schoolmistressly
Shostakovich Peninsula
sloping roof skylight
soren peter lauritz sorensens
specific unbalance
spetsdods
sphenopalatine canal
stover
strong focusing accelerator
superfuel
sword-sliper
Tabasco
tar-macadam
thin-wall steel tube
tilia mofungensis chun et wong
to keep someone company
Torx screwdriver
tropical ameba
twin-passage bucket elevator
variety shop
visible peristalsis visible intestinal peristalsis
weather-headed