sun dog

名词 n.
/ˈsʌn dɒɡ/    /ˈsʌn ˌdɔɡ/|/-ˌdɑɡ/

英文释义

名词 n.
  1. A bright spot in the sky, usually one of two on a parhelic circle on both sides of the sun (or occasionally above and below it), caused by the refraction of the sun's image through ice crystals.
    — December […] the 28th [1714], the Sun being an Hour high, appeared a Sun-Dog or Parhelion, the Sky full of flying Clouds.

词形变化

sun dogs plural sundog alternative sun-dog alternative

词源

PIE word
*sóh₂wl̥
From sun + dog (“(figurative) a visible atmospheric or meteorological phenomenon”) ; metaphorically refers to the bright spots of light that appear to "dog" or follow the real sun, much like a dog follows its owner.
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