A faintly colored luminous ring appearing to surround a celestial body visible through a haze or thin cloud, especially such a ring around the moon or sun, caused by diffraction of light from suspended matter in the intervening medium.
英
美
释义
华透过霾或薄云能看到的天体所围绕的有微弱颜色的发光的环,尤指围绕月亮或太阳的这种环,是由于悬浮物在插入媒介中的衍射造成的
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