八正，有三种解释，分别是八个时令、八个方向和佛学名词。
说明八正散加减治疗尿路结石效果理想。
Explained Bazheng Powder the addition and subtraction treatment urine road stone effect to be ideal.
但孩子们确实热爱学习真实的东西——为什么树会有叶子，为什么负负得正，亨利八世砍了他多少老婆的头。
But children do love learning real things-why trees have leaves, how two minuses make a plus, the number of wives' heads Henry VIII removed.
八年来，我们已经取得了很大进展，但美国正变得更加多样化，所以还有很多事情要做。
We had made a lot of headway in eight years, but America was growing more diverse, and there was still much to be done.
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