Read Edit View history 黑洞洞 hēidòngdòng pitch-dark Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 黑洞洞 · hēidòngdòng · pitch-dark 2026/03/04 黑洞洞 hēidòngdòng pitch-dark pitch-dark 屋子里黑洞洞的，什么也看不见。 descriptive created sense Mar 4, 2026, 02:25 AM