横向
1
Ball of burning gas in space
4
Unit of electric potential
5
Mass per unit volume
6
The Red Planet
8
Unit of force
纵向
2
Path of a planet around the sun
3
Solid with repeating atomic pattern
7
Preserved remains of ancient life
Ball of burning gas in space
Unit of electric potential
Mass per unit volume
The Red Planet
Unit of force
Path of a planet around the sun
Solid with repeating atomic pattern
Preserved remains of ancient life