Read Edit View history 纽扣 niǔkòu HSK7 button Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 纽扣/紐扣 · niǔkòu · button 2026/03/04 纽扣 / 紐扣 niǔkòu button button 我这件衬衫掉了一个纽扣。 noun created sense Mar 4, 2026, 02:25 AM