As I stare straight up , I notice an itch on my thigh .

可是当我注视着前方的屏幕时，突然觉得大腿有点痒。

I felt an itch on my face and wanted to scratch it .

我感觉到我的脸上有一阵瘙痒，我想挠挠它。

This isn 't the only itch pathway to the brain , stressed wake forest 's yosipovitch .

这并不是唯一通往大脑的瘙痒神经通路，威克森林大学yosipovitch教授强调说。

The common itch isn 't so benign in many conditions , including shingles and aids , which can cause uncomfortably severe itching .

在许多状况下普通的瘙痒都不是很严重的，像带状疱疹和艾滋病都可以导致很严重的瘙痒症状。

And that - for anyone who has ever had an itch they can 't quite reach - would be a minor medical miracle .

而那对于任何有过自己不容易够到的瘙痒的人来说都会是一个小小的医学奇迹。

Why would you let your foot itch intolerably when you are able to scratch it ?

既然你可以骚骚痒，你为什么让你的脚受瘙痒之苦呢？

In a common itch like a mosquito bite , cells in the skin release a chemical called histamine .

普通的痒比如蚊子的叮咬，皮肤细胞释放一种叫组胺的化学物质。

P : I feel an itch in my eyes as if there was something in them .

病人：我感觉眼睛发痒，好象眼中有异物。

It 's like an itch we can 't resist scratching , even though scratching invariably makes it worse .

就像一处我们不得不挠的搔痒，即使挠它会使它更痒也还是要挠。

Washington got an itch to scratch ?

华盛顿痒了为什么要挠挠？