a circle of light that can sometimes be seen around the moon at night , or around the sun during an eclipse (= a situation when the moon is positioned exactly between the sun and the Earth )
发音
例句
1. The corona gains and loses energy continuously. 日冕总是不断地获得能量和损失能量。 2. The corona is a brilliant, pearly white, filmy light, about as bright as the full moon. 光环带是一种灿烂的珠白色朦胧光,几乎像满月一样明亮。