Read Edit View history 纳豆菌 nàdòujūn Bacillus subtilis Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 纳豆菌/納豆菌 · nàdòujūn · Bacillus subtilis 2026/03/04 纳豆菌 / 納豆菌 nàdòujūn Bacillus subtilis Bacillus subtilis (formerly Bacillus natto), a common soil bacterium 纳豆菌是一种益生菌，常用于制作发酵食品。 noun created sense Mar 4, 2026, 02:25 AM