| 单词 | parheliacal |
| 释义 | parhelion /pär-hēˈli-ən/noun (pl parhēˈlia)A bright spot on the parhelic circle, the result of diffraction caused by the crystals in the atmosphere ORIGIN: Irreg, from Gr parēlion, from para beside, beyond, and hēlios sun parhelic /-hēˈlik or -heˈlik/ or parheliacal /-hē-līˈə-kl/ adjective parhelic circle noun A band of luminosity parallel to the horizon, the result of diffraction caused by ice crystals in the atmosphere |
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