A memento is an object which you keep because it reminds you of a person or a special occasion.
例句
More anglers are taking cameras when they go fishing to provide a memento of catches.更多的垂钓者去钓鱼的时候带上了照相机，以便钓上鱼后留个纪念。
英汉词典释义
n.
纪念品,令人回忆的东西
They gave him a watch as a memento of his time with the company.他们送了他一块手表作为为公司服务的纪念。The director will be presented with a memento for his long years of service.主管因为公司效力多年将获赠予纪念品。The photos will be a permanent memento of your wedding.这些照片会成为你婚礼的永久纪念。