Russian      
 adjective uk/ˈrʌʃ.ən/ us/ˈrʌʃ.ən/
 俄国的,俄罗斯的;俄国人的,俄罗斯人的;俄语的
belonging to or relating to Russia, its people, or its language
 Russian        
noun uk/ˈrʌʃ.ən/ us/ˈrʌʃ.ən/
 [ C ]俄国人,俄罗斯人 
a person from Russia
  [ U ]俄语,俄罗斯语 
the main language spoken in Russia, also spoken in many other countries such as Belarus, Ukraine, Kazakhstan and Kyrgyzstan