她从小参加各种选美比赛，梦想有一天能赢得冠军。

She has participated in many pageants since childhood, dreaming of winning the crown one day.

pageants 是 pageant 的复数形式，pageant 指"盛大的公开表演或比赛"，特指"选美比赛"这种展示外貌、才艺和魅力的竞赛活动。