/ˈɛθnɪk/
You can use ethnic to describe people who belong to a particular racial or cultural group but who, usually, do not live in the country where most members of that group live. 少数民族的
connected with or belonging to a nation, race or people that shares a cultural tradition 民族的；种族的
ethnic groups/communities
族群；种族社区
ethnic strife/tensions/violence (= between people from different races or peoples)
种族冲突／紧张形势／暴力
ethnic Albanians living in Germany
生活在德国的阿尔巴尼亚族人