an action, or a ceremony, etc. that makes people remember and show respect for an important person or event in the past纪念；纪念仪式- a commemoration service纪念仪式
- Protests and commemorations took place in several cities on the anniversary of the uprising.在起义周年纪念日，在几个城市举行了抗议活动和纪念活动。
- in commemoration of somebody/something a statue in commemoration of a national hero纪念民族英雄的雕像
Topics Religion and festivalsc1Word Originlate Middle English: from Latin commemoratio(n-), from the verb commemorare ‘bring to remembrance’, from com- ‘altogether’ + memorare ‘relate’ (from memor ‘mindful’).