a thing that is kept as a reminder of a person, place, or event
纪念品。
with obj.
informal take as a memento
〈非正式〉把…作为纪念品：
many parts of the aircraft have been souvenired.
这架飞机的很多部件被当作了纪念品。
词源
late 18th cent.: from French, from souvenir 'remember', from Latin subvenire 'occur to the mind'.