sundog
基本解释
- n.[氣](=parhelion)假日；幻日
同根派生
英汉例句
- A solar phenomenon known as a sundog arcs over the tundra in Churchill, Manitoba, Canada.
加拿大馬尼托巴省丘吉爾凍原上出現了幻日光弧這種日光現象。 - Analogous to a sundog or parhelion, the paraselene is produced by moonlight shining through thin, hexagonal-shaped ice crystals in high cirrus clouds.
類似環日的形成一樣，在高空卷雲中，月光通過稀薄、具有六邊形狀的冰晶時産生了幻月。
英英字典
- a bright spot that appears in the sky on either side of the sun, caused by the refraction (= bending) of light through ice crystals in high cloud