debutant

US /ˈdeb.jʊ.tɑːnt/
UK /ˈdeb.jʊ.tɑːnt/
"debutant" picture
1.

初次登台者, 初入社交界者

a person making a first public appearance, especially in society or in a professional capacity

:
The young actress made her debutant performance in the new play.
这位年轻女演员在新剧中首次亮相
She was a debutant at the annual ball.
她是年度舞会上的初次亮相者