横向
1
Particle of light
4
Hottest planet in solar system
6
Tissue that contracts for movement
7
Icy body with a tail near the sun
9
Nerve cell in the brain
纵向
2
Unit of heredity
3
Our home planet
5
Unit of force
8
Group of similar cells
Particle of light
Hottest planet in solar system
Tissue that contracts for movement
Icy body with a tail near the sun
Nerve cell in the brain
Unit of heredity
Our home planet
Unit of force
Group of similar cells