横向
1
Path of a planet around the sun
4
Tectonic landmass section
6
Blocking of light by a celestial body
7
Substance with pH below 7
8
Icy body with a tail near the sun
纵向
2
Mass per unit volume
3
Unit of electric potential
5
Fourth state of matter
Path of a planet around the sun
Tectonic landmass section
Blocking of light by a celestial body
Substance with pH below 7
Icy body with a tail near the sun
Mass per unit volume
Unit of electric potential
Fourth state of matter