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
a mug
adenolipoma
Alaskan Standard Time
antiparamilitary
aspiration probe
avarams
baiths
balance pan
bedirtying
Beldene
bifepramide
biosource
brisant explosive
burwyn
caught it
caution sign
cercospora ageraticola
CFPI
Chicago blues
codified law
Coleus blumei
comprehensive strata log diagram
containment shell penetratin
credulist
cut off gear
decrements
Dendroaspis angusticeps
double cyclone
double-fired heater
dye site
egg albumin agar
element abundance
emphysematous pyelonephritis
encephalasthenia
ethyl oxydithiocarbonic acid
Eurofrancs
foehn climatology
folk-lives
genus Apogon
heliogravures
HTML attribute
hypocycloid of four cusps
inhibition protection
internal combustion engine drive rig
intrabinary
iontotherapy
ivory scrap
kuhnite
lawrences of arabia
leevy execution
look-in
luckers
macro recorder
make an honest woman of someone
maundy thursdays
mercurial diuretic
Micromely
misordering
motor nozzle
nonreturn-to-zero change-on-zero recording
Noordkaap
oil sounding steel tape
Old Left
open-sided planer
order of ordinary differential
orthoboric
orthohelium
out of one's sense
overprioritizes
pisangceryl acid
plauding
polycation
potentiometertype rheostat
pyrrosia polydactyois ching
raise a smile
reactive model
regressings
reversible adsorbent
rhythmic montage
rigid arch dam
risk communication
sea floor spreading
selling plate
shafty wool
shrink fit
silastomete
skiagrapher
small chop
small-case
ST_animal-and-plant-biology_genetics
sulfur dioxide emission standards
sulphur ichthammol ointment
tachatanite
technical conditions
the spit and polish
to blow it
train pipe end valve
unmanned orbital satellite
unpickable
vector polarization
wedging block
Yapassira