钮扣孔

例句：

1. 1. The buttons onhis shirt are all in the same row.
   他衬衫上的纽扣都排成一排。
2. 2. She carefully sewed the button holeson her dress.
   她仔细地缝制了她裙子上纽扣孔。
3. 3. He hadto remove the button hole from his coatbefore he could wear it.
   在他穿上外套之前，他必须先从外套上拆下纽扣孔。