横向
1
Basic unit of life
2
Positive particle in nucleus
3
Mass per unit volume
4
The Red Planet
6
Reddish electrical conductor
纵向
1
Element found in all living things
4
Tissue that contracts for movement
5
Chemical element in table salt
Basic unit of life
Positive particle in nucleus
Mass per unit volume
The Red Planet
Reddish electrical conductor
Element found in all living things
Tissue that contracts for movement
Chemical element in table salt