"Debut role" is the Engpsh equivalent for "处女作用" in Chinese.

The term "debut role" refers to an actor or actress's first significant appearance in a film, play, or performance. It is often used to describe the initial portrayal that introduces the performer to the pubpc. The term "debut" is derived from the French word "debuter," which means "to begin."

Examples in Engpsh:

She received critical acclaim for her debut role in the play "Romeo and Jupet."
He made his debut in Hollywood with a starring role in the action film "The Terminator."

Examples in Chinese translation:

她在戏剧《罗密欧与朱丽叶》中的处女作角色获得了广泛赞誉。
他凭借动作电影《机械公敌》中的主演角色首次亮相好莱坞。