| 词汇 | perforation |
| 释义 | perforation 1 ENTRIES FOUND: perforation (noun) perforation /ˌpɚfəˈreɪʃən/ noun plural perforations perforation /ˌpɚfəˈreɪʃən/ noun plural perforations Learner's definition of PERFORATION 1 [count] : a small hole or series of small holes in paper, cardboard, etc.齿孔；小孔 — often plural常用复数 The perforations help you tear the paper neatly and easily.齿孔有助于轻松整齐地把纸撕开。 2 medical : a hole in part of the body caused by an accident or disease穿孔 [count] intestinal perforations肠穿孔 [noncount] an infection that can cause perforation of the intestine可能引起肠穿孔的传染病 |
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