横向
1
Center of an atom or cell
2
Push or pull on an object
5
Hottest planet in solar system
7
Blocking of light by a celestial body
10
Unit of electric potential
纵向
2
Preserved remains of ancient life
3
Unit of energy
4
Substance with pH above 7
5
Gas form of a liquid
6
The Red Planet
8
Curved glass that refracts light
9
Compound containing oxygen