横向
1
Tectonic landmass section
4
Hottest planet in solar system
6
Nerve cell in the brain
7
Group of similar cells
8
Substance with pH below 7
纵向
2
The Red Planet
3
Our home planet
5
Unit of force
Tectonic landmass section
Hottest planet in solar system
Nerve cell in the brain
Group of similar cells
Substance with pH below 7
The Red Planet
Our home planet
Unit of force