memento
noun [ C ] uk/məˈmen.təʊ/ us/məˈmen.toʊ/ mementos or mementoes
纪念物，纪念品，引起回忆的东西
an object that you keep to remember a person, place, or event
I kept a seashell as a memento of our holiday. 我留着一块石头作为我们度假的纪念品。
Synonym: souvenir