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BNC: 25217 COCA: 18752
perforation
noun /ˌpɜː(r)fəˈreɪʃ(ə)n/
singularperforation
pluralperforations
  1. 1
    [C] a small hole, usually one of a series of holes in a surface such as paper 小孔;(常指纸张等上面的)孔眼
     Synonyms and related words
    Holes and openings in surfaces: abyss, aperture, blowhole...
  2. 2
    [C] medical a small hole or cut in an organ or tube inside your body, caused by illness or injury (疾病或受伤引起的身体器官的)孔眼,切口
     Synonyms and related words
    Injuries and wounds: injury, loss, wound...
    1. a.
      [C/U] medical the process by which illness or injury causes a small hole or cut in an organ or tube inside your body (疾病或受伤引起的身体器官)穿孔

      One patient suffered a bowel perforation. 一位病人患了肠穿孔。

       Synonyms and related words
      Causes, symptoms and the course of illnesses: aetiology, complication, crisis...

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