commemorative
🇺🇸
/kəˈmeməreɪtɪv/
🇬🇧
/kəˈmemərətɪv/
used to remember and honor something important from the past
They released a commemorative coin to honor the 100th anniversary of the event.
他們發行了一枚紀念幣來紀念該事件的100週年。