横向
1
Tectonic landmass section
3
Unit of electric potential
4
Group of similar cells
8
Nerve cell in the brain
11
Blocking of light by a celestial body
纵向
2
Ball of burning gas in space
3
Hottest planet in solar system
5
Unit of heredity
6
Gas form of a liquid
7
Precious yellow metallic element
9
Center of an atom or cell
10
Smallest unit of an element
12
Absolute temperature scale unit