横向
1
Magnetic metallic element
4
Unit of force
6
Group of similar cells
7
Gas form of a liquid
8
The Red Planet
纵向
2
Nerve cell in the brain
3
Mass per unit volume
5
Tectonic landmass section
Magnetic metallic element
Unit of force
Group of similar cells
Gas form of a liquid
The Red Planet
Nerve cell in the brain
Mass per unit volume
Tectonic landmass section