Pronounced shu-rui (falling tone), same as "shui" (falling tone). Pronounced shu-rui (falling tone), same as "shui" (falling tone). Pronounced ru-chui (falling tone), same as "rui" (rising tone). Pronounced xuan-gui (falling tone), same as "duo" (falling tone). Pronounced shi-rui (falling tone), same as "shui" (falling tone). Pronounced lang-wai (falling tone), same as "lei" (falling tone). According to the "Zhengzitong (Zhengzitong)", Tangdu (Tangdu) is a thin pancake poured over with hot soup, suitable for winter consumption, as seen in the fu poem by Shu Xi of the Jin Dynasty. Du is pronounced the same as "dui" (falling tone). Sometimes also written as "duo".