横向
1
Preserved remains of ancient life
3
Substance with pH above 7
5
Tissue that contracts for movement
7
Magnetic metallic element
纵向
2
Ball of burning gas in space
4
Basic unit of life
6
Our home planet
8
Naturally occurring inorganic solid
Preserved remains of ancient life
Substance with pH above 7
Tissue that contracts for movement
Magnetic metallic element
Ball of burning gas in space
Basic unit of life
Our home planet
Naturally occurring inorganic solid