Read Edit View history 孔洞 kǒngdòng hole Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 孔洞 · kǒngdòng · hole 2026/03/04 孔洞 kǒngdòng hole a small hole or cavity in an object 光线从木板的孔洞中射了进来。 noun created sense Mar 4, 2026, 02:25 AM