Read Edit View history 隧洞 suìdòng tunnel Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 隧洞 · suìdòng · tunnel 2026/03/04 隧洞 suìdòng tunnel tunnel 火车穿过了那条隧洞。 noun created sense Mar 4, 2026, 02:25 AM