burger
/ˈbɜːgə(r)/noun
1- a flat round cake of minced beef that is fried or grilled and generally eaten in a bread roll汉堡包, 夹心牛肉饼。
1.1
- with modifier of particular variation of such a cake with additional substitute ingredients（各类）夹心饼：
a nut burger.
果仁夹心肉饼。
词源
1930s (originally US)： abbreviation of hamburger.