This was Susan herself, occupied in preparing a posset for her little boy, who, often ailing, was now seriously unwell.

这就是苏珊·纳萨奇，她正忙着给她那小男孩准备牛奶甜酒，这孩子经常生病，现在病很重。

No one knows for sure exactly when eggnog was first invented, but most food historians believe it descended from a medieval English milky drink called posset.

没有确切地知道蛋奶酒是什么时候发明的，但大多数食品历史为它是中世纪英国一种叫做牛奶甜酒的乳白色饮料的衍生品。