Read Edit View history 萘丸 nàiwán mothball Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 萘丸 · nàiwán · mothball 2026/03/04 萘丸 nàiwán mothball mothball or naphthalene ball used to protect clothing from insects 他在衣柜里放了几颗萘丸以防虫。 noun created sense Mar 4, 2026, 02:25 AM