In Shanghai, these names also have several names. Grandpa's name is Grandpa, Grandpa, and our name is Da Da in the southwest of Shanghai, and grandma's name is Enna and Nana, and the southwest is ana.

China has a vast territory, and there are many dialects of Chinese and minority languages. The Law of People's Republic of China (PRC) on Common Languages and Characters promulgated on June 65438+1October 3 1 2000 confirmed Putonghua as the national common language and characters.