穿ㄔㄨㄢchuānㄎㄨㄥˇkǒng

  1. 貫穿通過形成孔穴鉛筆穿孔。」

  2. 破洞貫穿穿孔」、穿珠子穿孔項鍊。」

to punch or bore a hole, to perforate, perforation
perforation
Perforation, Durchbruch, Lochperforation (S, Med)​, ein Loch bohren, durchbohren, durchlöchern (V)​, piercen (V)​