"It's so simple. With a two-liter bottle you add sugar, you add extract, you add a small amount of yeast and water, cap it up and in two days they've got root beer.
VOA: special.2011.08.01
You know, if you're wandering through Harvard Square and you see an out-of-work Harvard grad, they're handing out examples of square roots, they'll give you an example and you can test it to see is the square root of 2, 1.41529 or whatever.
你知道,如果你从哈佛校园里穿过去,你看见了一个失业校友,正在派发平方根的示例,他们会给你一个例子,而你会检查2的平方根是1。41529或者别的什么。
In a high-level language, square root might simply be a primitive that you can use rather than you having to go over and code it.
一个高级的语言,平方根可能仅仅,只是你能使用的一个基本要素,而不是你需要去编译它。
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