详细解释:n. 折光, 折射
【医】 折射, 屈光
词型变化：
名词:refractiveness副词:refractively形容词:refractional英语解释：
名词 refraction:
the change in direction of a propagating wave (light or sound) when passing from one medium to anotherthe amount by which a propagating wave is bent同义词：deflection, deflexion