hopping library

例句：

1. 1. She found a great book at the hopping library.
   她在跳蚤图书馆找到了一本好书。
2. 2. The local community center hosts a monthly event at the hopping library.
   当地的社区中心每月在跳蚤图书馆举办一次活动。
3. 3. Many people come to the hopping library to sell their unwanted items.
   许多人来到跳蚤图书馆出售他们不再需要的物品。