perforation
[,pə:fə'reiʃən]
释义
n. 打孔，穿孔，钻孔
a hole made or passing through a thing.
例句
Doctor: He was vomiting blood from his stomach. There's upper GI bleeding, probably a perforation.(The Newsroom)
医生：她从胃里呕血。有上消化道出血症状，可能是胃穿孔。（新闻编辑室）
