A hole or series of holes made by piercing something.
穿孔,贯穿,针孔,齿孔
| 单词 | perforation |
|---|---|
| 音标 | [ˌpɜ:fəˈreɪʃn] [ˌpɜ:rfəˈreɪʃn] |
| 释义 | n.["穿孔","贯穿","针孔","齿孔"] |
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