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BNC: 25217 COCA: 18752
perforationnounuk/ˌpɜː.fərˈeɪ.ʃən/ us/ˈpɝː.fəˈreɪ.ʃən/

[ C ] a hole in something

A tea bag is full of tiny perforations.茶包上满是小孔。

[ C or U ] specialized medical a hole that goes all the way through a membrane or tissue or the act of making a hole like this穿透膜(或组织的)孔;在膜(或组织)上穿的孔

One possible complication of colonoscopy is a perforation through the bowel wall that could require surgery.结肠镜检查的一个可能的并发症是大肠穿孔,必须靠手术解决。
BNC: 25217 COCA: 18752
BNC: 25217 COCA: 18752
BNC: 25217 COCA: 18752
perforation
Holes and openings in surfaces: abyss, aperture, blowhole...
Injuries and wounds: injury, loss, wound...
Causes, symptoms and the course of illnesses: aetiology, complication, crisis...

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