横向
1
Our home planet
2
Hottest planet in solar system
4
Substance with pH above 7
5
Particle of light
9
The Red Planet
纵向
2
Infectious microscopic agent
3
Unit of energy
5
Positive particle in nucleus
6
Icy body with a tail near the sun
7
Disturbance that transfers energy
8
Ball of burning gas in space