per·fo·ra·tion
noun/ˌpɜːfəˈreɪʃn/
/ˌpɜːrfəˈreɪʃn/
- [countable, usually plural] a small hole in a surface, often one of a series of small holes
齿孔 - Tear the sheet of stamps along the perforations.
沿齿孔把邮票撕开。 - He made a small perforation in the lining of the tube.
他在管子的内壁上开了一个小孔。
- Tear the sheet of stamps along the perforations.
- [uncountable] (medical) the process of splitting or tearing in such a way that a hole is left
穿孔；穿通 - Excessive pressure can lead to perforation of the stomach wall.
过大的压力会导致胃壁穿孔。
- Excessive pressure can lead to perforation of the stomach wall.
Word Originlate Middle English: from medieval Latin perforatio(n-), from the verb perforare, from per- ‘through’ + forare ‘pierce’.