ethnic
1.It seems that a lot of wars nowadays are really civil wars. People from different ethnic groups in the same country sometimes fight for power in that country.
看起来许多现在战争都是国内战争，来自同一个国家的不同民族的人们有些时候会为了国家的政权而开战。
2.China has been a united multi-ethnic country since ancient times.
中国自古以来就是一个统一的多民族国家。
