Ethnic means connected with or relating to different racial or cultural groups of people.
a survey of Britain's ethnic minorities.
对英国少数民族的一项调查。
ethnic tensions.
种族间的紧张状态。
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.
There are still several million ethnic Germans in Russia.
在俄罗斯仍有几百万德国族裔。
Ethnic clothing, music, or food is characteristic of the traditions of a particular ethnic group, and different from what is usually found in modern Western culture.
a magnificent range of ethnic fabrics.
各色各样具有民族特色的织物。