常見例句noun [ C ]The anthelion is a rare optical phenomenon. 幻日是一種罕見的眡覺現(xiàn)象。Anthelia are caused by the refraction of light through ice crystals in high cloud. 幻日現(xiàn)象是光通過高空雲(yún)層中的冰晶發(fā)生折射而引起的。 返回 anthelion