collapsible form

例句：

1. 1.The design of this product is collapsible, which makes it easy to store.
   这款产品的设计是可折叠的，这使得它易于存储。
2. 2. The collapsible form of the book is very convenient for carrying.
   这本书的可折叠形式非常便于携带。
3. 3. The collapsible form of the tent allows us to move around easily during camping.
   帐篷的可折叠形式使我们在露营时可以轻松移动。