evening dress
noun uk/ˈiːv.nɪŋ ˌdres/ us/ˈiːv.nɪŋ ˌdres/
[ U ]晚礼服
special clothing worn for formal events, such as special evening meals
The invitation says to wear evening dress. 请柬上注明要穿晚礼服。
[ C ]女士晚礼服
a long dress worn by a woman to a formal party or social occasion