You all know how when you take a crystal prism and pass a beam of sunlight through it, you get a spectrum, which looks like a continuous band of rainbow colors.
你们都知道，拿起一个水晶棱镜，让一束阳光通过它，就会得到一个光谱，看起来就像一条连续的彩虹色带。
Media reports said it was likely a fire rainbow, which occurs when sunlight refracts through ice-crystal clouds.
媒体报道说，这可能是火焰彩虹，由阳光通过冰晶云折射后发生。
Nor does a cloud alone give a rainbow, there must be the crystal drops to reflect the light of the sun.
单独一片云不会产生虹，必须要有结晶水珠才能反映太阳的光线。
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