课桌上堆满了一英尺高的课本，刘的手腕只能长期压在冰铜课桌边缘，因而呈现出斑斑瘀青。

Mr. Liu’s wrist was bruised from pressing the edge of his blue metal desk, piled with a foot-high stack of textbooks.

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让我们从学院课本中所呈现的知识主体开始。

Let's begin with the body of knowledge presented in college texts.

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对于任何一个已经为人父母的成年人来说，不知晓自己孩子所学课本中的具体知识真可谓是一件十分丢脸的事情，但过不了多久这场噩梦就有可能呈现在全美国的电视观众面前。

PASADENA, Calif. - Every parent's nightmare — being exposed for not knowing what's in your kid's school textbook — will soon play out on national television.

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