Read Edit View history 孔洞 kǒngdòng hole Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 孔洞 kǒngdòng hole a small hole or opening in an object; a cavity Edit Delete References Add reference synonym 孔洞/孔洞 → 窟窿/窟窿 Edit Delete synonym 孔穴/孔穴 → 孔洞/孔洞 Edit Delete