Winning a gold medal at the Olympics was one of her greatest triumphs in her career.

triumphs 是名词 triumph 的复数形式。triumph 来自拉丁语 triumphus，原指古罗马将军凯旋归来的盛大仪式，现在指"重大胜利"或"辉煌成就"，常用来形容经过艰苦努力后取得的成功。