The only adjective in that sentence is "main"
I think is is Chinese
Mandarin Chinese is the main language of China.
The main Chinese language spoken in mainland China is Mandarin. Cantonese is spoken in the South of China and in Hong Kong and Macau.
Mandarin is spoken over 70% of Chinese people, and Chinese is not a language.
Chinese is the main language ofChina. And angel in Chinese is written 天使 tian shi.
English is the official language, but Chinese languages and Malay are also spoken
The main language is naturally Japanese, a regional language is Okinawan, a minority language is Ainu. Immigrant languages include Korean, Chinese and Portuguese. The main foreign language is English
Chinese, spoken by 1/5 of the population of the Earth.