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(26) / 评论(0) 分类 英语四级作文范文
学英语单词
adaptive behavior inventory
adiabatical
airborne troops
Anaflogisto
aniss
Anna's hummingbird
anti-fan
apolysin
bacteria(bacterium)
be adopted into
boezems
bulked glass yarn
Bursa subcutanea calcanea
butadene dimer
calcar (pl. -caria)
Castanopsis nigrescens
co-planer stresses
communication channel with index
corpes
cryosurgeon
cubital area
customisers
Dead Eye Dick
deallocation of task's stack
dental follicular cyst
ditch-moss
doura
drive-wheel
eucasin
exploded in mass
first order time constant
forepack
four-probe arrangement
fundamental geotectonics
Gossypium herbaceum L.
government-driven
harmless-looking
hematoncus
high seasoned
horseshoe splint
hydrothermal theory
image-editings
in the hospital
Jog my memory
kinematic analysis of mechanism
Kosmynino
leak susceptibility
limiting making capacity
linear metric space
low-keyness
m-type controller
mechanics of production speech
Menura
milling plane
mode locked laser
moistureless
moral hazards
Najas graminea
needle like bainite
Neostringophyllum
observation of fire
olfactory nerve
oresunds
organismic sensing
original l/c
ostiary
outweep
overflow field
passive waste
phenylacetaldehyde diisoamyl acetal
plasmolytic
porcelain telephone insulator
positive rain
primary ulcer of small intestine
Pseudobaptisin
re-charges
real Lie group
retrohyoid bursa
riantest
semipermanent data
series-parallel transfer
sering
silo bottom
simultaneous input pulse
skew wall
spotted dicks
spray velocity
stay-behind
styporocts
Tchetchenini
thermal efficiency of electricity supply
try a fall with sb
tuxenentulus wuluensis
tweendom
Tylophora arenicola
Ulegyry
unopportune
vinolence
weapon-aiming system
yiftachel
zsa zsa zsu
zygomatico-auricularis