parhelic circle
柯林斯词典
1. 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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1. 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]