横向
1
Form of thermal energy
4
Preserved remains of ancient life
7
Substance with pH below 7
8
Biological catalyst
纵向
2
Basic unit of life
3
Unit of power
5
The Red Planet
6
Chemical element in table salt
Form of thermal energy
Preserved remains of ancient life
Substance with pH below 7
Biological catalyst
Basic unit of life
Unit of power
The Red Planet
Chemical element in table salt