a sweet food, originally from Latin America, made from milk that has been caramelized (= cooked slowly with sugar) until it becomes sweet and brown

These biscuits are filled with dulce de leche and dusted with icing sugar. 这些饼干填充着焦糖牛奶酱，并撒上糖粉。

The dessert was a dulce de leche and vanilla ice cream. 这道甜点是用焦糖牛奶酱和香草冰淇淋制作的。