Astronomically, it tells me that there are millions of galaxies and billions of planets.
Astronomically, it tells me that there are millions of galaxies and billions of planets.
从天文学上讲，有无数个星系和成千上万颗行星。
Astronomically, it tells me that there are millions of galaxies and billions of planets.
从天文学上讲，有无数个星系和成千上万颗行星。