A silver wedding.

• 银婚纪念日

A silver wedding.的用法和样例：

例句

1. They celebrated their silver wedding in May.
   他们于五月份庆祝了银婚纪念日。
2. The couple gave a dinner party in celebration of their silver wedding anniversary.
   这对夫妇设宴庆祝他们的银婚纪念日。