something you buy or keep to help you remember a holiday or special event

He bought a model of a red London bus as a souvenir of his trip to London. 他买了一个红色的伦敦公共汽车模型，作为他伦敦之行的纪念。

We brought back a few souvenirs from our holiday in Mexico. 我们从墨西哥度假回来时买了一些纪念品。