cleaning foot

例句：

1. 1.The cleaning lady came to clean the dirty floor.
   清洁工来打扫脏地板。
2. 2. She cleaned her dirty shoes before going to bed.
   她洗了鞋子才去睡觉。
3. 3.He cleaned his dirty clothes in the washing machine.
   他在洗衣机里洗了脏衣服。