昨晚我们在野外观星时，看到几个不明飞行物快速划过天空。

Last night while stargazing, we spotted several ___UFOs moving rapidly across the sky.

那些亮光在夜空中奇怪地移动，就像常见的UFO目击事件一样。

The lights moved strangely across the night sky, just like typical ___UFO sightings.