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
abstractify
acnemia
additional tax
amphigamy(renner 1916)
Amsil silver copper
Bacab
baggable
base64
centrifugal pump performance
cephalin-cholesterol flocculation
chaff dispensing device
charmphysics
colour fastness to perspiration
conducting fire back to its origin
contextual discourse
cosmicism
dams
Davidstow
dead beat instrument
Deliva
demur the instance
diaphragm cylinder
discalceated
draw up a list
drawgate
E.S.A.
ecological validity
esthetes
feather-light
floor plan graph
fluidized-bed gasification
forebodement
freeish
fringed geckoes
fully directional submersible vehicle
general call to all stations
give one's regards
glucocentric
half-off
hammer stalk
have one's an ear to the ground
head the list
herpeses
Holzknecht's scale
honourary chairman
imbroglii
inculcating
index correlation
interlandi
iPhone SDK
Japanese spindle
jetplanes
lel
lepery
maximum transfer
Maxine taffeta
minimum temperature prediction
monovalent sera
morbus ecdemicus
mutational delay
non-recurring item
nonfatal trauma
not be born yesterday
oculudato
oil-ring retainer
Patricios
perforatorium
Periclor
philipstadite
position-sensitive
quasi logical
resalue
rosined soap
S-code
San Vicente, C.
sanitary wares
say hi to
short-run trend
similar permutation
spizofurone
steam ejector gas-freeing system
steam pocket in water tank of radiator
sublethal heat stress
sulfuric acid cooler
teutonomania
the Post Office
tidal pressure ridge
times-standard
tommy bar nut
torsion indicator
transgentleman
transrectus incision
tripalmitates
tsiranana
two-time someone
tyret
Upper Triassic
vocalistic
war supplies
welding up
wreck mark
zigzag rule