| 释义 |
per·for·ationBrE /ˌpɜːfəˈreɪʃn/NAmE /ˌpɜːrfəˈreɪʃn/ noun [C, usually pl.] 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。 [U] (medical 医学) 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。 |