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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A sandwich consisting of a bun, a cooked beef Patty, and often other ingredients such as cheese, onion slices, lettuce, or condiments. Often used in combination.

一种三明治，含有一个小而圆的甜面包和熟牛肉馅，经常也有诸如干酪、洋葱片、生菜或调味品等其他成分。通常几种成分合并在一起食用。

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Protesters are finding ever more to dislike about the uniquely American food - especially the very genes that make the McDonald's beef or bun or potato what it is.

抗议者发现越来越不喜欢这种典型的美国食物，特别是使麦当劳的牛肉，小面包和土豆成为现在这个样子的基因。

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However you order it, you get crumbly beef on a bun that lives up to its name, and it is a hands-on experience that require napkins and should not be attempted while driving.

FORBES: Loose Meat Sandwich, Iowa

What might a bigger Big Mac without the bun and fries do to beef, wheat and potato prices?

ECONOMIST: Dieting

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