nationalities

英 [ˌnæʃəˈnælɪtiz]

美 [ˌnæʃəˈnælɪtiz]

n. 国籍; (构成国家一部分的)民族
nationality的复数

柯林斯词典

N-VAR 国籍
If you have thenationalityof a particular country, you were born there or have the legal right to be a citizen.
1. Asked his nationality, he said British...
  被问及国籍时，他说是英国。
2. The crew are of different nationalities and have no common language.
  船员来自不同国家，语言不通。
N-COUNT (尤指未建立独立国家的)民族
You can refer to people who have the same racial origins as anationality, especially when they do not have their own independent country.
1. ...the many nationalities that comprise Ethiopia.
  组成埃塞俄比亚的众多民族