They took advantage of the fact that light bends, or refracts, when it moves from one medium to another.
他们利用了这样的一个事实：当光从一个介质进入到另一个介质时，会发生弯曲，或折射。
Normal rainbows form when light refracts through raindrops, mist, or sometimes even sea spray.
正常的彩虹是由于光通过雨水，雾气，有时甚至海浪的折射所形成。
Water refracts, or bends, the light, separating it into red, orange, yellow, green, blue, and violet
水把光线折射或弯曲，而分离为红、橙、黄、绿、蓝和紫色。
Sometimes the luster refracts three or more the rainbow colors of the language of light.
有时候，光泽能折射3种或更多种光之语的彩虹色。
Sometimes the luster refracts three or more the rainbow colors of the language of light.
有时候，光泽能折射3种或更多种光之语的彩虹色。
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