He found an interesting curio in the antique shop and decided to buy it immediately.

curio 是 curiosity（好奇心）的缩写形式，指"珍奇物品"或"古董小玩意"，通常指那些因其稀有、独特或历史价值而引人好奇的物件。这个词常用于描述古董店里那些不常见但有趣的收藏品。