首页英语词典perforationperforation英英释意

perforation

英 [,pɜːfə'reɪʃn] 美[,pɝfə'reʃən]

英英释义实用场景例句

n. 穿孔；贯穿

英英释意

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

2. a hole made in something;: "a perforation of the eardrum"

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