Magnesium light can provide a bright source of light in the dark.

镁光可以在黑暗中提供明亮的光源。

It was pitch-dark outside, and the stars were the only source of light.

外面漆黑一片，星星是唯一的光源。

Whatever gives off light is termed the source of light.

凡是能放射光的东西称为光源.

Intensity of light can simply be defined as the amount of light being emitted from a source of light.

光的强度简单的说就是从一个光源发出的光的数量。

You are our source of hope, and our tower of light.

祝福词你是我们的希望我们的灯塔。

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。

You are One in the Light of the Source of All Life, and your destiny is to once more to become a pure Being of Light .

你们是在全部生命源头之光里的一，并且你们的命运是再一次成为一名纯洁的光之生命。

But Mars is much closer than the distant stars and an extended source of light.

不过火星比遥远的恒星距离我们更近，光源也更为扩展。

The scintillation is more pronounced because the star is effectively a point source of light seen as a narrow bundle of light rays.

闪烁是更加常见的说法，因为恒星事实上是一个点光源，看起来像是一束窄光线。

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。