2. Yes, modern Chinese standardizes first-class words (commonly used words). Mandarin has four pronunciations: De, De, De, De, which used to be Rusheng characters. The word "_" first appeared in seal script. It belongs to six pictophonetic characters. Both official script and regular script are made of white and spoon sounds. The word "_" is interpreted as "Ming" in Shuo Wen Jie Zi, but when the sun shines, it is white, so the common characters change from white. In modern Chinese, the word "de" is often used as a structural auxiliary word, and its frequency ranks first among all Chinese characters.