张正常 (1335—1378) 字仲纪，号冲虚子，贵溪县（今贵溪市）人，正一派第四十二代天师。
相反的是，用户依赖于反射光，就像他正在读一张正常打印出来的文章一样。
Instead, the user relies on reflected light, as he would if he were reading a sheet of printed paper.
不管是哪种原因，总之我们在社会上生存，拥有一张正常活动的面孔是非常重要的。
Either way, there's something very fundamental about having a normal working face that we need in our society.
下面是一张正常的造影光片，大家可以对照自己的光片看看，你的病在哪里不通。
Here is a normal contrast-rays, we can control their own rays to see, where your disease unreasonable.
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