A hamburger (or burger) is a sandwich consisting of a cooked Patty of ground meat, usually beef, placed in an open bun or between two slices of bread.

汉堡包(或称汉堡)是一种夹了一块碎肉馅的三明治，通'常是将牛肉放在一片小圆面包上或夹在两片面包之间。

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Before me I found bread, bun, flapjacks, till butter cakes, I constantly swallowed my saliva.

我的眼前会出现面包、馒头、烙饼直至奶油蛋糕，使我不住地咽唾沫。

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Steamed bun flour, noodle flour and bread flour were used as materials for investigating their contents of starch, amylose, pentosan and lipids.

以馒头粉、面条粉、面包粉为材料，研究了其淀粉、直链淀粉、戊聚糖及粗脂肪含量。

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Each dish includes a pork, beef or vegetarian sausage, a warm homemade bread bun and simple but well-executed sides including coleslaw, potato tots or sweet potato fries.

BBC: London��s gourmet fast food fad

Grilled up and wrapped in bacon, the Sonoran dog typically comes complete with an array of toppings that can include tomatoes, onions, shredded cheese, tomatillo salsa or chili sauce, mayo, pinto beans, and mustard or ketchup, served on a big bun or bread that can handle the load.

FORBES: America's Best Hot Dogs

Then, sometime around 1920, a bun replaced the sandwich bread.

ECONOMIST: As hamburgers go, so goes America?