reverse box

例句：

1. 1.The engineer designed a reverse box to improve the stability of the structure.
   工程师设计了一个反向盒子来提高结构的稳定性。
2. 2. The inventor created an inverted box that could store and protect delicate items.
   发明家创造了一个倒置盒子，可以储存和保护易碎物品。
3. 3. The company introduced a new design for its reverse box, which was more user-friendly than its previous version.
   该公司推出了一种新的反向盒子设计，比之前的更用户友好。