如果说睡衣派对主要是为了好玩，那么毕业舞会无疑是大多数美国学校非常重要的一件事。

If a pajama party is mainly for fun, a prom is no doubt a very important thing in most American schools.

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在学校的舞会上，他整晚坐着和她聊天。

At the school dance he sat and talked to her all evening.

《柯林斯英汉双解大词典》

学校舞会是一个正式的聚会，以庆祝学校的一个重要日子，如高中毕业或完成学校考试。

A school prom is a formal party to celebrate an important date at school, such as the end of high school or completing school exams.

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