Light comes in various forms: light bulbs, the sun, and a flashlight, among others.

光线来源于不同形式：灯泡、太阳、手电筒等等。

youdao

Light comes in various forms: light bulbs, the sun, and a flashlight, among others.

光线来源于不同形式：灯泡、太阳、手电筒等等。

youdao