/ˈpɜːfəreɪt/
with obj.
1- pierce and make a hole or holes in穿孔于, 打眼于：
fragments of an explosive bullet perforated his intestines in a dozen places
子弹爆炸的碎片在他肠子上穿了十几个洞
as adj. perforated a perforated appendix.穿孔阑尾。
1.1
- make a row of small holes in (paper) so that a part may be torn off easily在（纸）上打齿孔。
派生词
perforator
/ˈpɜːfəreɪtə(r)/ noun词源
late Middle English (as an adjective)： from Latin perforat- 'pierced through', from the verb perforare, from per- 'through' + forare 'pierce'.