“飞行物”用英语怎么说？

原来所说的不明飞行物现在已证实是卫星.The previously unidentified objects have now been definitely ascertained as being satellites.从不明飞行物上发出奇特的光.A singular glow came from the unidentified flying object.不明飞行物常常被解释为超自然现象.UFOs are often expla...