横向
1
Preserved remains of ancient life
3
Icy body with a tail near the sun
5
Our home planet
6
Infectious microscopic agent
纵向
2
Chemical element in table salt
4
Ball of burning gas in space
6
Hottest planet in solar system
7
Second lightest element
Preserved remains of ancient life
Icy body with a tail near the sun
Our home planet
Infectious microscopic agent
Chemical element in table salt
Ball of burning gas in space
Hottest planet in solar system
Second lightest element