Rainbow

Image of the end of a rainbow at Jasper National Park

Rainbows can form in mist, such as that of a waterfall.Rainbows may form in the spray created by waves (called spray bows).

A rainbow is a meteorological phenomenon that is caused by reflection, refraction and dispersion of light in water droplets resulting in a spectrum of light appearing in the sky. It takes the form of a multicoloured arc. Rainbows caused by sunlight always appear in the section of sky directly opposite the sun.

单词	Primary rainbow
释义	Primary rainbow 英语百科 Rainbow A rainbow is a meteorological phenomenon that is caused by reflection, refraction and dispersion of light in water droplets resulting in a spectrum of light appearing in the sky. It takes the form of a multicoloured arc. Rainbows caused by sunlight always appear in the section of sky directly opposite the sun.
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Primary rainbow

Rainbow