illuminant
n. 发光体,光源
adj. 发光的
例句
The pilot said the aircrew of more than ten other airliners flying above Shanghai also reported the illuminant object, one by one.
据悉,当驾驶航班CZ6554的飞行员于21时51分起飞后,发现的一个“不明发光体”占据了各大版面的头条。 飞行员说:“晚21时左右,CZ6554航班,上海区域,高度一万零七百米发现巨大球状发光天体”。