音标:[pә'tju:ʃәn] ;
穿孔
n. The act of punching or piercing with a pointed
instrument; as, pertusion of a vein.
n. A punched hole; a perforation.

这个模板的中文大意是:在某种场合,发生某种现象,并提供一些相关数据,然后列出这种现象的三个原因,并将三个原因总结为一个最主要原因,最后提出避免这种现象的两个办法。总的来

发表于:2018-12-12 / 阅读(372) / 评论(0) 分类 英语四级作文范文
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acid fuchsin
air-blast burner
anal gonorrhea
angiospermin
atchisons
audominen
bathurst
calibration protein
cam catch
Chakmas
chipping
conformal projection
congeneric industrial problem
cork drill
crack initiation life
cruciform screw driver
current of comuntation
deep fill
deflectoscope
diber (dibra)
dick-brains
douzieme gauge
dun-colored
eccentricity indicator
electroadsorption
embathing
epitaxial silicon growth
exercitatory
fail of
field blanking
flettner
frozen orange juices
gain access
gas dissociation
Gurney formulas
heteroradical
horocyclic
hose protector
HTC First
Iksan
ingleboroughs
internal dimension
iron wind
irritability after immoderate drinking
irritable testicle
Ixtacalco
jacqmar
kaip
kelsangs
labeo
ladder index
lightning in a bottle
long period variable star
make blood boil
map chart
memory fluid
MFGM
minimum operating current
monsterlet
Nolton
on-song
Ophiorrhiza petrophila
ore-carrier
paleotype
pharyngeal consonants
phonemic alphabet
pit gravel
postmodernisation
prismatory
raafs
raid patrol
remote hydraulic cylinder
replicates
rochefoucauld
salariat
sandy alumina
seal water leakoff pump
seguidilla (spain)
selective oxidation reactor
sequential storage structure
service mark
slâhiye
snow-whites
sodium ethyl
SRM (stuck rod margin)
strix nivicola yamadae
submarine sulphur deposit
sulphur cauldron
surface trim
tailout
tendil
test diet
transit tariff
tugger
two-stage intestine transplantation
ultrasonic methods
unhighlighting
vento di sotto
vertical U-tube
wanne
welding fume
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