横向
1
Positive particle in nucleus
3
Unit of heredity
6
Curved glass that refracts light
7
Basic unit of life
8
Infectious microscopic agent
纵向
2
Center of an atom or cell
4
Unit of power
5
Solid with repeating atomic pattern
Positive particle in nucleus
Unit of heredity
Curved glass that refracts light
Basic unit of life
Infectious microscopic agent
Center of an atom or cell
Unit of power
Solid with repeating atomic pattern