bung skin

例句：

1. 3.布丁皮的制作方法同义词：pie crust, pie shell, pastry crust例句：1. The bun skinis the outer layer of a bread roll.
   面包皮是面包卷的外层。
2. 2. Thebun skin was crispy and delicious.
   面包皮脆而美味。
3. 3. She baked a special bunskin for her friend's birthday party.
   她为朋友的生日派对烤了一种特殊的面包皮。