幻日环 ( Parhelic Circle ):这是常见晕中最罕见的了,尤其是完整的更是不多见,而且太阳高度较低时他应该是最大的,他穿过太阳,与地平线平行,环绕全天。
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同义词: solar halo parhelic ring
以上来源于: WordNet
N a luminous band at the same altitude as the sun, parallel to the horizon, caused by reflection of the sun's rays by ice crystals in the atmosphere 幻日环 [meteorol]
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