What is meant by light refraction?

光的折射是什么？

youdao

Whether it was caused by the refraction of the light, or how, we know not.

它是否造成的折射光，或如何，我们不知道。

youdao

Whether it was caused by the refraction of the light, or how, we know not.

它是否造成的折射光，或如何，我们不知道。

youdao