Mandarin
https://ja.m.wikipedia.org/wiki/標準中国語
標準中国語
https://en.m.wikipedia.org/wiki/Mandarin_Chinese
Mandarin (/ˈmændərɪn/ ⓘ MAN-də-rin; simplified Chinese: 官话; traditional Chinese: 官話; pinyin: Guānhuà; lit. 'officials' speech') is a group of Sinitic dialects that are natively spoken across most of northern and southwestern China.