民族，国籍 Nationality

a plane of unknown nationality 不明国籍的飞机

acquire foreign nationality 取得外国国籍

delegates representing fifty nationalities 50个国家的代表

disguise one's nationality 隐瞒国籍

dual nationality 双重国籍

foreigners of different nationalities 不同国籍的外国人

men of all nationalities 世界各国人民

of the same nationality 同一国籍

regain one's nationality 恢复国籍

the Chinese people of all nationalities 中国各族人民

the minor nationalities 少数民族