横向
1
Basic unit of life
3
Gas form of a liquid
4
Group of similar cells
6
Unit of heredity
8
Tectonic landmass section
10
Particle of light
纵向
1
Reddish electrical conductor
2
Compound containing oxygen
5
Nerve cell in the brain
7
Molten rock beneath Earth surface
9
Curved glass that refracts light