perforations
pɜ:fə'reɪʃnz
基本解释
n. 穿孔( perforation的复数形式 ); 贯穿; 针孔; 齿孔
英文释义
n. a line of small holes for tearing at a particular place
n. a hole made in something
n. the act of punching a hole (especially a row of holes as for ease of separation)
词形变化
上一个单词：perforation rate
下一个单词：perforative