memento
memento[mɪˈmɛntəʊ](pl. -os 或 -oes)- an object kept as a reminder or souvenir of a person or event
纪念物,纪念品;引起回忆的东西
you can purchase a memento of your visit.
你可以买个参观纪念品。
语源- late Middle English (denoting a prayer of commemoration): from Latin, literally remember!', imperative of meminisse
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