national 的复数

国际分类方法是“中日不变英法变，其余S加后面”，就是说Chinese，Japanese单复同型，英法是把man，woman变成men，women。剩下的多是直接加S。注意German是加s，不是变成Germen。
nationality
英 [ˌnæʃəˈnæləti] 美 [ˌnæʃəˈnæləti]
n.国籍;(构成国家一部分的)民族。
复数： nationalities.


All applicants will be considered regardless of age, sex, religion or nationality.

所有申请者，不论其年龄、性别、宗教信仰及国籍，都可考虑。
She has dual nationality.

她具有双重国籍。
The college attracts students of all nationalities.

这所大学吸引着各国的学生。

nationality有复数形式。
N-VAR 国籍If you have the nationality of a particular country, you were born there or have the legal right to be a citizen.

Asked his nationality, he said British...
被问及国籍时，他说是英国。

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 a nationality, especially when they do not have their own independent country.

...the many nationalities that comprise Ethiopia.
组成埃塞俄比亚的众多民族