class reunion
US /klæs riːˈjuː.njən/
UK /klæs riːˈjuː.njən/

1.
同学聚会, 班级聚会
a social gathering of former classmates, often organized to celebrate a significant anniversary of their graduation
:
•
Our high school class reunion is scheduled for next summer.
我们高中同学聚会定在明年夏天。
•
She's looking forward to seeing old friends at the class reunion.
她期待在同学聚会上见到老朋友。