2. 外语
  3. Rainbow A rainbow is a circle of colors that appears in the sky when sunlight shines on raindrops. / The sunlight and water

Rainbow A rainbow is a circle of colors that appears in the sky when sunlight shines on raindrops. / The sunlight and water

admin2017-05-09  28
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答案 Rainbow A rainbow is a circle of colors that appears in the sky when sunlight shines on raindrops. / The sunlight and water work together to form rainbows. / The light bends as it enters the raindrop. / This bending separates the white light into colors, / each color weakening as it moves into the next color. / The light rays turn or bend again / when they come out of the raindrop. / This continuous bending through an area of raindrops / is what makes the rainbow a perfect circle. /
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