box header

例句：

1. 1. The box header is a crucial part of the packaging design.
   盒子的顶部是包装设计中至关重要的部分。
2. 2.The box header is made of sturdy cardboard material.
   盒子的顶部是由坚固的纸板材料制成的。
3. 3. The box header is designed to protect the contents inside the box.
   盒子的顶部设计用来保护盒内物品。