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
Oh, Miss Li. This is Tom. I didn't recognize your voice.
噢,李小姐。我是汤姆。我没听出你的声音。
I'm very sorry. Can I get you another one?
非常抱歉。能不能另外给你买一条呢?
When Dickie was given the watch, the presented the assistant with the cloth bag.