音标:[.pә:fә'reiʃәn] ;
n. 穿孔, 孔眼, 贯穿, 贯通
[化] 穿透
n. a line of small holes for tearing at a particular place
n. a hole made in something
n. the act of punching a hole (especially a row of holes as for ease of separation)
词型变化:名词复数形式 : perforations
词性分布:
名词100%

perforation的用法和样例:

例句

用作名词(n.)
  1. This prevents bowel perforation.这样可以防止肠道穿孔。
  2. The acute Perforation has developed.发生急性穿孔。
  3. Excessive pressure can lead to perforation of the stomach wall.过大的压力会导致胃壁穿孔。

词汇搭配

  • simple perforation单穿孔
  • central perforation中央性穿孔,中央穿孔...
  • multiple perforation复穿孔
  • perforation plate穿孔底板
  • corneal perforation[医] 角膜穿破...
  • explosive perforation爆炸打孔
  • reticulate perforation网状穿孔
  • marginal perforation边缘穿孔
  • negative perforation底片片孔
  • enteric perforation小肠穿孔
  • stomach perforation胃穿孔
  • perforation rate穿孔速度,穿孔速率...
  • esophageal perforation食管穿孔
【近义词】
学英语单词
abbreviated addressing
administrative crime
amyl p-dimethylamino benzoate
anthrapurpurin
be all and end all
bends over backwards
black letters
boxershorts
brachysomophis crocodilinus
bread buttered both sides
BY Draconis variable
cakelike
carnivoral
cawthorn
cellulose plastic
cerimetric titration
chartists
clintonia udensis trautv. et mey.
close the door behind you
confessionaries
conservest
content uniformity
corner sprocket
cornus hongkongensis hemsl
coronatine
cup ties
cyclone air lock
cylindrical rod
dignifiable
dissiptor
early bird catches the worm
Elaeocarpus laoticus
empyreumatic oil
equipages
event per unit time
fast-day
fluorenemethanol
fly-wheel effect
gate-crashes
Gaussian stochastic process
haberdaschers
HFBA
hydraulic pressure
in hope
ineffably
ivanko
jaunty cars
Khawr, Sharm al
langacker
link belt pd screen
macrocnemic
magistrates
major category
Makri
marketing objective
master-oscillator power amplifier
match of the day
medullary fold
multistory garage
nervus cardiacus inferior
panic equipment
partial partitioned inverse
pencilled in
permanent press resin
Peterhead Bay
Phan Boi Chau
pinus densifloras
plubaginaceae
precordial pain with cold limbs
prickle-weed
primary pipe
printer sharing
Private key.
pulverization
RDVR
relative parameter sensitivity function
relieving of internal stress
renavigation
ruggedised
saiodine
sample-entry plug
scenario agent
scoches
scratch filter
Shardana
spiraea fontenaysii lebas.
standard-mode
staphylococcus spp.
states of polarization
Tas-Yuryakh
Tilia chinensis
Titanosaurus
unconstitutionalities
unsaddles
vhws
volumetric contraction
waqisah (waksa)
wenceslaus
whatsoe'er
whitemailed
wing transom
withstand level