She is like the shadow of a white rose in a mirror of silver.

她就像一朵银镜中的白玫瑰。

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Reflection in the mirror, shadow behind me.

镜子里的倒影，身后的影子。

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The brain thinks the reflect light is follow straight line to reach eyes. So with the extend of reflect light, you can see a shadow behind the mirror.

而大脑则以为反射光线是沿直线到达眼睛的，因此沿反射光线向后延伸，从而在镜子后面看到一个影像。

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