commemoration
n. 纪念，纪念活动
例句
On the Internet, you will be impressed by the video show of a girl's special commemoration.
在网上，一个女孩的特别纪念活动的视频节目会给你留下深刻印象。
The building is a commemoration of the battle of Waterloo.
这座房子是滑铁卢战役纪念馆。
《新英汉大辞典》
We caused a medal to be struck in commemoration of this discovery.
我们铸造了一枚徽章来纪念这个发现。
