roving box

例句：

1. 1. The roving box was filled with all sorts of tools and supplies.
   这个流动箱里装满了各种工具和用品。
2. 2.The roving box was used to transport goods from one location to another.
   这个流动箱被用来从一个地方运输货物到另一个地方。
3. 3. The roving box was designed to be easily transported and stored.
   这个流动箱被设计成易于运输和存储。