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-frames
acorifoline
affinity of aggregation
aggiornamentoes
air mail receipts
all-sports
angiolupoid
antirefugee
archenteric cavity
Aryanizing
aspect camera
barbaric
battles of waterloo
bemrose
boiler direct heat balance test
brightness contrast border
brown-earths
c-fra
Camlikoz
celiac rickets
cheifer
core router
delivery angle
dialcom
Dillenia turbinata
document composition facility
dried cucumber
drupetum
dry-bulb-temperature
EGA
Eurasian Union
fertile crescents
fissurae obliqua
gas-tungsten arc welding
geneva motion
giovanni di bernardones
graphic symbol
helgramite
Hemipteronotus
Herzberg's two-factor theory
horizontal pressure
hot runner manifold
huckler
interim financial report
large heart
lenticular process of incus
low-yielding crop
Ma-do
mandrel test
merryings
Michelia platypetala
neck to neck
Network Management Protocol
non-condensable gas
nonirradiated
OpenNMS
overpower relay
peak luminous wavelength
phrenologer
piecewise differentiable vector field
pipeline valve actuator
pixel peep
plane-table alidade
polyphenylene sulfide fibre
pomatocalpa acuminata
protein-bound iodine
Prättigau
public voice
quercetinase
radial migration
ranking player
retinas
rise by
roughs it
salingopalatine
San Franciscan
segment register
self-pronouncing
signal plate
silastometer
sorella
Spanish red
strip steel
superfines
take someone into custody
thrononical
tigloldine
tiwi
torporific
transit- line feasibility study
tropical convergence
Tyuleniy Point
uncrying
undeclared war
unvaulted
urine-test sedimentation glass
volume directory
water-use ratio
wing shafting
xyloside storage disease
zirconium triiodide
Zmagoslav