meteoric

a. 流星的,昙花一现的

The apparent celestial origin of a meteoric shower.

流星群的辐射点明显的流星雨太空光源

A tiny particle of meteoric dust, especially one of many that fall to the surface of the earth or moon.

微陨星微小的陨星颗粒，特指大量坠向地球或月球表面的微陨星