横向
1
Preserved remains of ancient life
5
Unit of heredity
6
Ball of burning gas in space
8
Nerve cell in the brain
纵向
2
Particle of light
3
Substance with pH above 7
4
Curved glass that refracts light
7
Naturally occurring inorganic solid
Preserved remains of ancient life
Unit of heredity
Ball of burning gas in space
Nerve cell in the brain
Particle of light
Substance with pH above 7
Curved glass that refracts light
Naturally occurring inorganic solid