横向
1
Molten rock beneath Earth surface
4
Gas essential for breathing
5
Infectious microscopic agent
8
Our home planet
纵向
2
Ball of burning gas in space
3
Solid with repeating atomic pattern
6
Hottest planet in solar system
7
Mass per unit volume
Molten rock beneath Earth surface
Gas essential for breathing
Infectious microscopic agent
Our home planet
Ball of burning gas in space
Solid with repeating atomic pattern
Hottest planet in solar system
Mass per unit volume