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。
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。
This happens because the sun is the original source of light.
这一切之所以发生，是因为太阳是光的根源。
Love is the source of knowledge as fire is the source of light.
爱情是知识的泉源，就像火是光的源泉一样。
争取成为一个光源。
Many things that burn are a source of light.
许多能够燃烧的东西都是光源。
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。
The sun provides the main source of light and heat.
太阳是提供光和热的主要来源。
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。
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？
He was recognized as the source of light, source of warmth.
他被认为是光和温暖的泉源。
Love is the source to knowledge as fire is the source of light.
爱情是知识的源泉，就像火是光的源泉一样。
You can use them as an alternative source of light for growing plants.
你可以使用它们作为植物生长的一种替代光源。
Just forget for a while about that we have sun or any other source of light.
请暂时忘记我们有太阳或其他光源。
A source of light, especially a lamp, a lantern, or an electric lighting fixture.
光源，发光体：光的来源，特指灯、灯笼或某种带电发光装置。
Any body, when heated to a sufficient high temperature, becomes a source of light.
任何物体，当它被加热到足够的高温时，就变成了一种光源。
The crystal plate must be thin so that we are able to see a source of light through it.
晶体的薄片必须薄得使我们通过它可以看见一个光源。
A typical source of light generally consists of a large collection of such radiating atoms.
一个典型的光源一般包含大量的这类辐射着的原子。
A typical source of light generally consists of a large collection of such radiating atoms.
一个典型的光源一般包含大量的这类辐射着的原子。
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