V-ERG
（使）折射
When a ray of light or a sound wave refracts or is refracted, the path it follows bends at a particular point, for example when it enters water or glass.
例句
As we age the lenses of the eyes thicken, and thus refract light differently.
随着我们年龄的增长，眼睛的晶状体变厚，因此对光线的折射也会发生变化。
...surfaces that cause the light to reflect and refract.
导致光线发生反射和折射的表面