teether

例句：

1. 1.The dog was happily playing with the teether.
   那只狗高兴地用拖把玩耍。
2. 2.We need to clean the floor with the teether before we start cooking.
   在我们开始做饭之前，我们需要用拖把清洁地板。
3. 3.The teether is a useful tool for cleaning up spills on the floor.
   拖把是清理地板上溢出物的一个有用的工具。