perforation
n
1 [U] perforating or being perforated (在某物上)穿孔; (在纸等上)打齿孔.
2 [C] series of small holes made in paper, etc (纸等上的)齿孔
tear the sheet along the perforations 顺齿孔撕下该页.
🏥 医学释义
穿孔,打眼,穿孔术
🗣️ 情景例句
Do what you are told.
叫你怎么做,你就怎么做。
Make hay while the sun shines.
趁热打铁。
'We're got more garages with smart people,' Mead observes.