2. Yu Yu, pronounced yǔ yǔ, means China.
3. Yu Yuliang Decoction is a kind of medicine name, which is mainly used for postpartum diarrhea. From Collection of Fertility and Pregnancy, Volume 1.
4. Yu Xia, the common leader of all ethnic groups in China. Generally speaking, Yu, the founding monarch of Xia Dynasty.
5. Chinese vocabulary, pinyin yǔmó, is defined as Dayu's strategy of governing the country.