1·Be a source of light instead.
争取成为一个光源。
2·The Sun is our main source of light energy.
太阳是光能的主要来源，灯也可以散发光能。
3·Many things that burn are a source of light.
许多能够燃烧的东西都是光源。
4·We can never determine the exact source of light.
我们永远也不能确定光源的准确位置。
5·The sun provides the main source of light and heat.
太阳是提供光和热的主要来源。
6·In both cases, the source of light is the same: the Sun.
在这两种情况下，光的来源都是太阳。
7·The sun is the only source of light and heat we need.
太阳是我们所需要的光能和热能的唯一源泉。
8·We can't see anything unless we have a source of light.
除非有一个光源，否则我们无法看到任何东西。
9·Do you know the cause or actual source of light pollution?
你是否知道光污染真正的来源或原因？
10·He was recognized as the source of light, source of warmth.
他被认为是光和温暖的泉源。