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
I see. We'll take a good look at you.
我明白了。我们会好好替你看看。
Have you been busy with schoolwork?
学校的功课很忙吗?
Last week, a group of Class 3 students decided to go to the museum in the centre of the town.