country with multi-ethnic groups

• 多民族国家

country with multi-ethnic groups的用法和样例：

例句

1. China is a united country of many ethnic groups.
   中国是一个统一的多民族国家。
2. In such a multi-ethnic country that would be a recipe for further disintegration.
   在这样一个多民族国家中，这也可能会导致俄罗斯进一步的分裂。