例句與造句

1. NGC 6251 is an active supergiant elliptical radio galaxy more than 340 million light-years away from Earth.
2. M84 is another elliptical radio galaxy in the constellation of Virgo; it is at a distance of ( redshift 0.0035 ) as well.
3. "' NGC 6251 "'is an active supergiant elliptical radio galaxy in the constellation Ursa Minor, and is more than 340 million light-years away from Earth.
4. It's difficult to find elliptical radio galaxy in a sentence. 用elliptical radio galaxy造句挺難的