请 拍照 上传到答案区域。 rainbows my heart leaps up when i behold a rainbow in the sky wrote william wordsworth the famous poet and most of us share his feelings when we are lucky enough to see a rainbow there is an old saying that a pot of gold is buried at the end of the rainbow but have you ever tried to reach a rainbows end of course its impossible because a rainbow is really just the result of the raindrops refracting and refelcting light from our sun there are seven colors in the rainbow red orange yellow green blue indigo and violet