perforations

听听怎么读

英 [pɜ:fə'reɪʃnz]

美 [pɜfə'reɪʃnz]

是什么意思

穿孔( perforation的名词复数 )；贯穿；针孔；齿孔

英英释义

perforation

n.
- a line of small holes for tearing at a particular place
- a hole made in something
  "a perforation of the eardrum"
- the act of punching a hole (especially a row of holes as for ease of separation)

学习怎么用

词组短语

perforation plate穿孔板；匀浆板

双语例句

Tear the sheet of stamps along the perforations.
沿齿孔把邮票撕开。
Grooves extend to the finished edge, but rear perforations are not visible.
凹槽延伸到成品的优势，但后排齿孔中不可见。

权威例句

ERCP-related perforations: risk factors and management
Colonoscopic perforations: a review of 30,366 patients.
Colonoscopic perforations: incidence, management, and outcomes
Repair of Root Perforations Using Mineral Trioxide Aggregate: A Long-term Study
Cerebral aneurysm perforations complicating therapy with Guglielmi detachable coils: A meta-analysis
Use of mineral trioxide aggregate for repair of furcal perforations
Amniotic membrane grafts for nontraumatic corneal perforations, descemetoceles, and deep ulcers.
Sealing ability of a mineral trioxide aggregate for repair of lateral root perforations.
The resurfacing of adult rabbit articular cartilage by multiple perforations through the subchondral bone
Use of anti-inflammatory drugs by patients admitted with small or large bowel perforations and haemorrhage.

同义词

eyelets

p开头的单词