包钮

例句：

1. 1. She carefully sewed the buttonson her coat.
   她小心翼翼地给外套缝上了纽扣。
2. 2. The dress has a beautifulpattern of buttons.
   这件衣服上有一个漂亮的纽扣图案。
3. 3. He put the buttons backin place after he finished sewing.
   他缝完衣服后把纽扣放回原位。