横向
1
Compound containing oxygen
5
Center of an atom or cell
6
Unit of electric potential
7
Naturally occurring inorganic solid
10
Form of thermal energy
12
Push or pull on an object
纵向
2
Absolute temperature scale unit
3
Particle of light
4
Blocking of light by a celestial body
8
Tissue that contracts for movement
9
Disturbance that transfers energy
11
Magnetic metallic element