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
or a taxi.
或者坐计程车。
There's a ten thirty flight in the morning.
早上10点半有班机。
I have to wash all the plates and things after meals, and do a lot of work in the garden.