横向
1
Precious yellow metallic element
4
Blocking of light by a celestial body
5
Center of an atom or cell
6
Preserved remains of ancient life
10
Disturbance that transfers energy
12
Basic unit of life
纵向
2
Particle of light
3
Compound containing oxygen
7
Push or pull on an object
8
Infectious microscopic agent
9
Amplified beam of light
11
Substance with pH below 7