横向
1
Reddish electrical conductor
3
Measure of matter in an object
5
Second lightest element
7
Group of similar cells
8
Preserved remains of ancient life
纵向
2
Amplified beam of light
4
Chemical element in table salt
6
Center of an atom or cell
Reddish electrical conductor
Measure of matter in an object
Second lightest element
Group of similar cells
Preserved remains of ancient life
Amplified beam of light
Chemical element in table salt
Center of an atom or cell