national costume
noun/ˌnæʃnəl ˈkɒstjuːm/
/ˌnæʃnəl ˈkɑːstuːm/
[countable, uncountable] (also national dress [uncountable])
- the clothes traditionally worn by people from a particular country, especially on special occasions or for formal ceremonies
（某一国家的）民族服装 - Some of the singers wore the Welsh national costume.
一些歌手穿了威尔士的民族服装。
- Some of the singers wore the Welsh national costume.