perforated

1. V-T To perforate something means to make a hole or holes in it. 在…上鑽孔

I refused to wear headphones because they can perforate your eardrums. 我不願戴耳機，因爲它可能會使鼓膜穿孔。

2. perforatedADJ [ADJ n]

Separate the ballot at the perforated line. 在打孔線上分離選票。