横向
1
Tissue that contracts for movement
4
Fourth state of matter
5
Preserved remains of ancient life
6
Gas essential for breathing
9
Center of an atom or cell
10
Mass per unit volume
纵向
1
Natural satellite of Earth
2
Amplified beam of light
3
Naturally occurring inorganic solid
7
Infectious microscopic agent
8
Substance with pH above 7
