横向
1
Naturally occurring inorganic solid
2
Chemical element in table salt
4
Reddish electrical conductor
5
Hottest planet in solar system
9
Center of an atom or cell
纵向
1
Tissue that contracts for movement
3
Unit of energy
6
Preserved remains of ancient life
7
Substance with pH below 7
8
Natural satellite of Earth
10
Blocking of light by a celestial body