横向
1
Preserved remains of ancient life
3
Hottest planet in solar system
4
Unit of force
6
Our home planet
纵向
2
Magnetic metallic element
3
Unit of electric potential
4
Center of an atom or cell
5
Particle of light
Preserved remains of ancient life
Hottest planet in solar system
Unit of force
Our home planet
Magnetic metallic element
Unit of electric potential
Center of an atom or cell
Particle of light