hat washer

例句：

1. 1. I need to wash my hat before going out.
   我需要洗一下帽子才能出去。
2. 2. The hat washer is a small machine that can clean your hat.
   帽子清洗器是一种小型机器，可以清洗你的帽子。
3. 3. After washing the hat, I put it on and felt much cleaner.
   洗了帽子后，我把它戴上，感觉好多了。