Image description, metaphor and personification, etc.
1. In "The Book of Appreciation", by describing the characteristics of mountains and rivers, majestic peaks, clear streams, colorful stone walls, etc., readers can intuitively feel the beauty of the scenery.
2. In "Thanks to Zhongshu", the metaphors are "clear streams with crystal clear bottom" and "green forests and green bamboo bushes", which combine the scenery with crystal clear streams and emerald green trees. Plants are compared, highlighting their beauty and vitality. The anthropomorphic technique of "fish swimming in the water competing to jump out of the water" gives the fish the characteristics of lively competition.