很明显，这是一个简单而粗糙的示例。

Obviously, this is a simple and crude example.

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风已将她的长发变成了鞭子抽打着她的脸颊，使她的脸看起来红而粗糙。

The wind has turned her long hair into whips which lash her cheeks red and raw. She does not tuck it behind her ears.

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光滑表面会反射一个反向的优选极化波，而粗糙地区的反射波是左旋极化波。

While smooth surfaces send back a reversed, right-polarized wave, rough areas return left-polarized waves.

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