N-COUNT
庆祝活动;庆典
A celebration is a special enjoyable event that people organize because something pleasant has happened or because it is someone's birthday or anniversary.
例句
I can tell you, there was a celebration in our house that night.
告诉你,那天晚上我家开了个庆祝会。
...his eightieth birthday celebrations.
他80大寿的庆祝活动