示例
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El sistema digestivo funciona mediante una serie de contracciones musculares coordinadas llamadas peristaltismo. Este proceso involuntario transporta los alimentos a través del tracto digestivo, permitiendo la absorción de nutrientes y la eliminación de residuos. Es un mecanismo fundamental para mantener la homeostasis corporal.
描述
New York — “the Big Apple” — is my favorite city in the world.
I love the streets, the modern skyscrapers, and old apartment
buildings. It’s full of really famous sights, and even on a
short visit, you can see a lot of amazing things.
For many people, number one on the list of places to see is the
Empire State Building. It’s a very famous skyscraper, and there
are great views of the city from its 86th and 102nd floors.
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