横向
1
Preserved remains of ancient life
3
Biological catalyst
6
Unit of electric potential
7
Substance with pH below 7
8
Glass that splits light into spectrum
纵向
2
Icy body with a tail near the sun
4
The Red Planet
5
Hottest planet in solar system
Preserved remains of ancient life
Biological catalyst
Unit of electric potential
Substance with pH below 7
Glass that splits light into spectrum
Icy body with a tail near the sun
The Red Planet
Hottest planet in solar system