interchangeable objective

例句：

1. 1.The new design is interchangeable with the old one.
   这个新设计可以和旧的设计互换。
2. 2.They made a list of all the items they needed to buy and checked if they were interchangeable.
   他们列出了所有需要购买的物品清单，并检查它们是否可互换。
3. 3. The interchangeable parts are easy to replace when something breaks.
   当某物损坏时，可互换的部分很容易更换。