debut

debut n.

v.初次登場, 開張

英英解釋:名詞debut:
1. the act of beginning something new
同義詞：introduction, first appearance, launching, unveiling, entry
2. the presentation of a debutante in society
動詞debut:
1. present for the first time to the public
2. appear for the first time in public
3. make one's debut