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词汇 sundog
释义
sundog
noun [ C ] (also sun dog) uk/ˈsʌn.dɒɡ/ us/ˈsʌn.dɑːɡ/ (also parhelion, mock sun)
幻日(天空中出现在太阳一侧的一个亮点,由光线穿过高云中的冰晶折射而成)
a bright spot that appears in the sky on either side of the sun, caused by the refraction (= bending) of light through ice crystals in high cloud
Many displays, such as rainbows and sundogs, are caused by ice crystals or water vapour. 许多自然现象,如彩虹和幻日,都是因为冰晶或水蒸气形成的。
The icy sky had produced a wonderful show of sun dogs. 冰冷的天空上出现了奇妙的幻日现象。
    更多例句
  • Sundogs are caused by sunlight passing through flat, six-sided ice crystals high in the troposphere.
  • Northern lights filled the sky at night, sun dogs during the bitter days.
  • She often points out things in the sky - phenomena such as sundogs, halos, and unusual cloud shapes.
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