横向
1
Element found in all living things
4
Form of thermal energy
5
Mass per unit volume
8
Basic unit of life
纵向
2
Unit of electric potential
3
Positive particle in nucleus
6
Our home planet
7
Biological catalyst
Element found in all living things
Form of thermal energy
Mass per unit volume
Basic unit of life
Unit of electric potential
Positive particle in nucleus
Our home planet
Biological catalyst