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  3. [audioFiles]2017m5s/audio_ezfj_039_201705[/audioFiles] Rainbow A rainbow

[audioFiles]2017m5s/audio_ezfj_039_201705[/audioFiles] Rainbow A rainbow

游客2023-10-30  79
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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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