fern case and laundry basket

例句：

1. 1. The hikers found a fern case hidden in the forest.
   徒步旅行者在森林里发现了一个蕨类植物箱。
2. 2. The old lady kept her collection of ferns in a fern case.
   老妇人把她的蕨类植物收藏放在一个蕨类植物箱里。
3. 3. The children played with their new fern case.
   孩子们用他们的新蕨类植物箱玩耍。