The word "floating" not only indicates the situation of water rising after rain, but also echoes the topic. (2) The tail couplet describes the scene of chickens and dogs playing outside the community after the rain, and there are fresh fish and shrimp for sale in the market. It is full of vitality, and it conveys the author's comfortable and happy life. It's refreshing after reading it, and there is no sense of shrinkage.