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perforations的英文翻譯是什麼意思，詞典釋義與在線翻譯：
英英釋義
名詞 perforation:
-
a line of small holes for tearing at a particular place
-
a hole made in something
-
the act of punching a hole (especially a row of holes as for ease of separation)
perforations的用法和樣例：
例句
- Tear the sheet of stamps along the perforations.
沿齒孔把郵票撕開。 - Grooves extend to the finished edge, but rear perforations are not visible.
凹槽延伸到成品的優勢，但後排齒孔中不可見。
