golden jubilee
noun [ C usually singular ] mainly UK uk/?ɡ??l.d?n ?d?u?.b?.li?/ us/?ɡo?l.d?n ?d?u?.b?.li?/
(重要事件的)50周年纪念
the day exactly 50 years after an important occasion, or a special event to celebrate this
The local hospital will be celebrating its golden jubilee on Thursday. 当地医院将在星期四庆祝建院50周年。


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