a bright spot on the parhelic circle; caused by diffraction by ice crystals; "two or more parhelia are usually seen at once" 幻日環上の輝点。氷晶による回折によって起こる。
日/英 »
【上位】 a small contrasting part of something; "a bald spot"; "a leopard's spots"; "a patch of clouds"; "patches of thin ice"; "a fleck of red" 何かの小さな対照的な部分。
日/英 »