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。


de- 表示“向下,降低,减少”
decline = de + cline(倾斜)→ 向下倾斜 → v. 下降,衰落
decrease = de + cre(生长;create = cre + ate → 长出来 →产生 → n. 创造)+ ase → 向下生长 → v. 减少
depress = de + press(压)→ 向下压 → v. 压抑
descent =de + scent(爬)→ 向下爬 → v. 下降
de-表示“使...加强”
declare = de + clar(clear清晰)+ e → 大声澄清事实 →v. 宣布
define = de + fin 1(范围,结束;final = fin + al → 有范围的,会结束的 → adj. 最后的)+ e → 划定范围 → vt. 下定义,限定
demonstrate = de + monstr(显示,表示;monster = monst + er → 太显眼的 → n. 怪物)+ ate → 加强表示 → vt. 论证,证实
describe = de + scribe(写)→ 认真的写 → vt. 描写
detail = de + tail(裁剪;tailor裁缝)→ 不断减下去 → n. 细节

1 fin
n.鳍;(飞机的)安定翼
  • They swim using a small fin on their back.它们用背上的小鳍游动。
  • The aircraft has a long tail fin.那架飞机有一个长长的尾翼。
标签: 英语PK台
学英语单词
acid pump
adaptive variation
add subtotal to
aegina i.
air hardening
alsuga
Amoxicillini
Asian corn borer
automatic quadder
auxiliary substation
ball head lock nut
barium perchlorate
Baroque period
be in someone's black book
bhreckite (vrickite)
Brachymystax lenok
break barrow
carassius cuvieri
cercosporella thladianthae
cladding by rolling
color blending
corneoscleral
corona frequency analysis
crater radius
critical absolute temperature
dance cheek to cheek
day trip
electroconductive fiber
ethyl sodioacetoacetic ester
facilitation agent
first assistant
flowchart scheme
foreign body in trachea
formation position
formula coder
Frankenwinheim
gain-transfer antenna measurement
gas technology
genus genettas
Gothian
Hagars
hamdy
high frequency pipe-bending machine
ingraffs
ingustable
inirradiated
isolation of bacteria
laboulbenia separata
lierne rib
make it a rule to do something
master control set
middle glossoepiglottic fold
minimum compulsion
monic polynomial
mule traveler
multipolar immigration
necrophiliac
netminding
non-tidal harbor
noncanonically
north part
northern bilberry
one-group treatment
Oxyria
Paluzza
partition door
pepits
perennial tax
phyllosticta kuwacola
primary printer
Procris wightiana
quick closing isolating damper
radiator grilles
Reset Values
roll spot weld
SCIC
seller's interest
sensitivity training group
servocontrol
single-column punch
slot velocity
sow dissension
strume
supercrescent
supervillainess
Syas'
syphon bellows
Sīyunī
Tan Dan
Tate Modern
thermoprinters
time charter on trip basis
tin bromide,tin bisulfide
trace substance
tramp material
undecided voter
undeliverable import goods
underruns
user state
vibrating detector
wasjabo (washabo)
welding-operator