As the name implies, the pie is sandwiched between layers of pies, and the two layers of skin and one layer of stuffing can only be called stuffing zygote. In Tianjin, the box is similar to jiaozi in Jixian County, and Sanjiang in Dachang can only be called fried jiaozi. There is also a kind of box, and vegetable rolls are also a kind of box, so what is below four layers of skin can only be called a box, which is a folk household food in China. The production methods include frying, roasting, baking and so on. And the cake is wrapped with stuffing.

Trap: a metaphor for a trap that deceives people. 2. Trap the hole of wild animals.