1. Every ethnic group is a part of Chinese! 每一个民族都是中国的一部分！
2. Our school has students from different ethnic backgrounds. 学校的学生有着不同的种族背景。
3. Its crude methods of doing so often heighten ethnic tensions. 它的种种粗陋的做法常常加剧民族紧张。
英英解释
n.
1. a person who is a member of an ethnic group
2. denoting or deriving from or distinctive of the ways of living built up by a group of people
3. not acknowledging the God of Christianity and Judaism and Islam
