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      為什么落日的余暉是紅色的

      放大字體  縮小字體 發(fā)布日期:2008-03-15
      核心提示:一道殘陽鋪水中,半江瑟瑟半江紅。古往今來,人們不知留下了多少關(guān)于夕陽的優(yōu)美詩篇,如火的夕陽賦予了人們無限的遐想與靈感。在欣賞這些美妙詩篇的同時(shí),不禁產(chǎn)生一個(gè)一問:落日為什么是紅色的呢?我們來看看下面這篇文章是怎么說的吧! As the sun begins to set, th


          “一道殘陽鋪水中,半江瑟瑟半江紅。”古往今來,人們不知留下了多少關(guān)于夕陽的優(yōu)美詩篇,如火的夕陽賦予了人們無限的遐想與靈感。在欣賞這些美妙詩篇的同時(shí),不禁產(chǎn)生一個(gè)一問:落日為什么是紅色的呢?我們來看看下面這篇文章是怎么說的吧! 

          As the sun begins to set, the light must travel farther through the atmosphere before it gets to you. More of the light is reflected and scattered. As less reaches you directly, the sun appears less bright. The color of the sun itself appears to change, first to orange and then to red. This is because even more of the short wavelength blues and greens are now scattered. Only the longer wavelengths are left in the direct beam that reaches your eyes. 

          The sky around the setting sun may take on many colors. The most spectacular shows occur when the air contains many small particles of dust or water. These particles reflect light in all directions. Then, as some of the light heads towards you, different amounts of the shorter wavelength colors are scattered out. You see the longer wavelength, and the sky appears red, pink or orange. 

          wavelength: 波長(zhǎng) 

          particle: 微粒

          reflect: 反射

       

      更多翻譯詳細(xì)信息請(qǐng)點(diǎn)擊:http://www.trans1.cn
       
      關(guān)鍵詞: 落日 余暉 紅色
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