n. 民族优越感

[ noun ]
belief in the superiority of one's own ethnic group
<noun.cognition>

ethnocentrism \ethnocentrism\ n.
1. belief in the superiority of one's own ethnic group.
[WordNet sense 1]
[WordNet 1.5]

2. a tendency to evaluate other people, activities, cultures,
etc. primarily from the perspective of one's own as being
superior.
[PJC]