1, explain
Si, Si, left and right? , from the water, four tones. Original meaning: Surabaya.
2. Interpretation of ancient books
Tang Yun, Ji Yun, Yun Hui and Zheng Yun. Four water names. Shuowen overflowed and flowed eastward to Huaihe River. "Zhou Li Shimonoseki Square Stone" is located in Luzhou, and its Sichuan is Huaisi. Gong Yu was introduced to Dongsiyi from Tongbai. "Justice" Surabaya out of Qiqiao County. "Water Classic Note" Surabaya, out of Lubian County, southeast of the old city, northwest of Xu Tao.
Evolution of free radicals
In the traditional Chinese character structure theory, Chinese characters are divided into two categories according to their constituent units: single words and combined words. Monographs (Sun, Moon, Cattle, Sheep, Up and Down, etc. ) is composed of strokes, and combined words (Xie, Qu, She, Sen, Gong, Box, etc. ) is composed of radicals. Therefore, radical is a name in the traditional Chinese character structure theory, which refers to the components of "Liushu" that are intended to understand, pictophonetic characters and phonetic, ideographic or phonetic characters.
For example, Qi and Mu in Hugh, Er and You in Qu, Jia and Mu in Jia, and so on. Radicals are composed of strokes, which are one level higher than strokes. Radicals can also be classified according to different standards. For example, whether it is word-shaped, whether it is compound and separable, and so on.
Refer to the above information? Baidu encyclopedia-radical