横向
1
The Red Planet
4
Unit of heredity
5
Blocking of light by a celestial body
6
Particle of light
7
Infectious microscopic agent
9
Ball of burning gas in space
纵向
2
Fourth state of matter
3
Group of similar cells
6
Tectonic landmass section
8
Push or pull on an object
10
Unit of energy
11
Substance with pH above 7
12
Mass per unit volume