红外检测显示她们中的5个，有横贯眉毛，延伸到脸颊的直线纹身，有些还在下巴上有一系列的条纹。
Infrared examination revealed that five of the women had been tattooed in a line extending over the eyebrows, along the cheeks and in some cases with a series of lines on the chin.
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。
However, brain thinks that the reflected light comes to eyes in a straight line, so an image is seen behind the mirror just on the extending line of the reflected light.
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。
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.
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