横向
1
Element found in all living things
3
Substance with pH below 7
4
The Red Planet
6
Unit of energy
7
Unit of heredity
纵向
2
Infectious microscopic agent
3
Smallest unit of an element
4
Natural satellite of Earth
5
Absolute temperature scale unit
Element found in all living things
Substance with pH below 7
The Red Planet
Unit of energy
Unit of heredity
Infectious microscopic agent
Smallest unit of an element
Natural satellite of Earth
Absolute temperature scale unit