Rainbows arched across the sky after the rain.
Meaning: Arcs of colored light in the sky caused by the refraction and dispersion of sunlight through water droplets formed after the rain.
Choice of Words: Rainbows are arcs of colored light in the sky caused by the refraction and dispersion of sunlight through water droplets. Arched means to form a curve. Across means from one side to the other. Sky is the region of the atmosphere above the earth. After means following in time or order.
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