perforated
adjective uk/ˈpɜː.fər.eɪ.tɪd/ us/ˈpɝː.fə.reɪ.t̬ɪd/
穿孔的；有孔的
If paper or another material is perforated, it has a series of small holes made in it, often so that it will tear easily or allow light or air to enter.
The windows have been covered with perforated metal screens. 窗户上罩着金属网罩。