A " hot dog" is a food that looks like a small sausage.

“热狗” 是一种看起来像小香肠的食物。

A " hot dog" is basically a small sausage that is usually placed inside of a piece of bread called a " bun."

“热狗” 基本上是一根小香肠， 通常放在一块叫做“面包” 的面包里。