veteran

我叔叔是越南战争的老兵。

My uncle is a ___veteran of the Vietnam War.

她是电视新闻广播领域有20年经验的老手。

She's a 20-year ___veteran of TV news broadcasting.

作为一名老兵，她经常与年轻士兵分享她的经历。

As a ___veteran, she often shares her experiences with young soldiers.