横向
1
The Red Planet
3
Push or pull on an object
4
Preserved remains of ancient life
6
Form of thermal energy
7
Path of a planet around the sun
纵向
1
Naturally occurring inorganic solid
2
Mass per unit volume
5
Unit of electric potential
The Red Planet
Push or pull on an object
Preserved remains of ancient life
Form of thermal energy
Path of a planet around the sun
Naturally occurring inorganic solid
Mass per unit volume
Unit of electric potential