穿孔 Save Sign in to save words chuānkǒng ㄔㄨㄢ ㄎㄨㄥˇ to punch a hole to perforate perforation medicine Character by character 穿(chuān)bore through 孔(kǒng)hole A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0