横向
1
Particle of light
4
Second lightest element
7
Mass per unit volume
8
Solid with repeating atomic pattern
纵向
2
Unit of electric potential
3
Curved glass that refracts light
5
Tissue that contracts for movement
6
The Red Planet
9
Unit of heredity
Particle of light
Second lightest element
Mass per unit volume
Solid with repeating atomic pattern
Unit of electric potential
Curved glass that refracts light
Tissue that contracts for movement
The Red Planet
Unit of heredity