横向
1
Center of an atom or cell
3
Tectonic landmass section
4
Push or pull on an object
5
Our home planet
6
Magnetic metallic element
7
Unit of force
9
Infectious microscopic agent
纵向
2
Substance with pH above 7
3
Particle of light
4
Preserved remains of ancient life
8
Unit of electric potential
9
Gas form of a liquid