It held two thick pieces of bread with a slice of something laid between them.

里面有两片厚厚的面包，它们中间夹着一片什么东西。

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She spread pieces of bread on the counter and began buttering them.

她放了几片面包在柜台上，开始给它们涂黄油。

《柯林斯英汉双解大词典》

When you eat two pieces of bread and then some fruit, it is prevented from doing so.

当你吃两片面包，再吃一些水果时，它就不会这样做了。

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Do this at the same exact time, so the Earth at that moment is "sandwiched" between two pieces of bread.

NPR: Dig a Hole to China? Try a Sandwich Instead

But in 1885, he had an epiphany: If he put the meat between two pieces of bread, people could walk around holding it.

BBC: Is this the original hamburger?

They began eating, pouring the brown crystallized syrup onto pieces of fried bread, and after a while Nawab went to his motorcycle and pulled from the panniers another hunk of the sugar, challenging the girls to see who would eat most.

NEWYORKER: Nawabdin Electrician