横向
1
Unit of electric potential
3
Tectonic landmass section
4
Second lightest element
7
Chemical element in table salt
纵向
2
Group of similar cells
3
Positive particle in nucleus
5
Measure of matter in an object
6
Curved glass that refracts light
Unit of electric potential
Tectonic landmass section
Second lightest element
Chemical element in table salt
Group of similar cells
Positive particle in nucleus
Measure of matter in an object
Curved glass that refracts light