横向
1
Basic unit of life
3
Substance with pH below 7
4
Unit of force
6
The Red Planet
纵向
1
Element found in all living things
2
Group of similar cells
5
Disturbance that transfers energy
7
Natural satellite of Earth
Basic unit of life
Substance with pH below 7
Unit of force
The Red Planet
Element found in all living things
Group of similar cells
Disturbance that transfers energy
Natural satellite of Earth