横向
1
Magnetic metallic element
4
Element found in all living things
5
Substance with pH above 7
6
The Red Planet
8
Group of similar cells
9
Basic unit of life
纵向
2
Center of an atom or cell
3
Infectious microscopic agent
7
Unit of electric potential
Magnetic metallic element
Element found in all living things
Substance with pH above 7
The Red Planet
Group of similar cells
Basic unit of life
Center of an atom or cell
Infectious microscopic agent
Unit of electric potential