眼细胞是否具有全反射特性仍存在争议，但这一结果可以帮助解释眼睛构造。
If the cells' predicted ability to guide light turns out to be important in vision-still a controversial claim-the result could help explain a bizarre aspect of the eye's construction.
当她看着一排课桌并开始讲地球的构造板块（tectonic plate）时，她的眼睛变得更亮了，为了强调某一点她的手快速移动着，同时她的整个脸庞都浮现出笑容。
As she looked at the row of desks and started talking about tectonic plates, her eyes lighted up, her hands moved quickly to emphasize a point and a smile spread across her face.
其身体构造略不同于美国雪貂，尤其是面部和眼睛的形状。
Their body structure is slightly different than the American ferret, especially the shape of their face and eyes.
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