perforations

英 [pɜːfə'reɪʃnz] 美 [pɜːfə'reɪʃnz]

• 齿孔

perforations的英文翻译是什么意思，词典释义与在线翻译：

英英释义

名词 perforation:

1. a line of small holes for tearing at a particular place

2. a hole made in something

3. the act of punching a hole (especially a row of holes as for ease of separation)

perforations的用法和样例：

例句

1. Tear the sheet of stamps along the perforations.
   沿齿孔把邮票撕开。
2. Grooves extend to the finished edge, but rear perforations are not visible.
   凹槽延伸到成品的优势，但后排齿孔中不可见。