A singular glow came from the unidentifiedflyingobject.
从不明飞行物上发出奇特的光。
《新英汉大辞典》
2
By the early hours of the following morning, on Feb 25, military radar detected an unidentifiedflyingobject 120 miles offshore approaching the coastline.
在2月25日清晨的早些时候,军用雷达探测到了距海岸线120英里的一架不明飞行物正在接近海岸线。
3
An unidentifiedflyingobject appeared on the radar screen.