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
acid soluble
agricultural settlement
altchek
amoxiciliin
anatinella nicobarica
appreciable assets
augmentor wing
avoidables
bag sampling
balance of shipment
beatless
bloatedly
bou tezaya
brake connection pin
calcium formate
caulin
crimson glory
d.litt.
dise cutter
disidentify
distribution probability
Dole de sion
drive one's pigs to market
eastern hajar (al hajar ash sharqi)
electroencephalographical
errhines
flower stall
forecast of epiphytotics
Fraser Sweatman pin safety system
garden visitors analysis
genus Bergenia
genus Trimorphodon
hogsett
Holspruit
intermediate-cylinder
inverse describing function
jamesie
japanese oaks
job stream processor
make it plain
Manchester encoding
Marchegg
marian lithotomy
mauritian rupees
MaxFileFragments
mean life to failure
mega-grays
metally
meter stop
methylisobutylxanthine
miswonting
monopersonal
morphotypes
moscow' shangani
nenetss
Nigloid
North Cascades National Park
occultation of fixed star
Old French
oleogustus
parsing time
pavkovic
photocal coincidence index
placenta praevia partialis
portal system (or portal vein)
porting
Prosobranchia
proximal sequence element,PSE
puppy fats
reactor instruments
Rockingham B.
ruling wage
run-off hydropower station
sargassum distichum
scalpelhandle
sealing alloy
self-evaluated
slipped by
solo operation
source activity
sparking threshold
special accessories
stay of arm
steady-state tape tension
street entrance
Streptcthrix
sulfoximide
tarradellas
time waits for no one
titano-obruchevit (yttrobetafit)
tractor head
tripod drill
ulalu
unclaimed
under floor system
unsymmetrical inversion formula
velem
why-because
wild parsnips
workable moisture
working boat