perforations

英 [pɜːfə'reɪʃnz] 美 [pɜːfə'reɪʃnz]

• 齿孔

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)