横向
1
Tectonic landmass section
4
Center of an atom or cell
5
Gas essential for breathing
7
Naturally occurring inorganic solid
9
Element found in all living things
10
Form of thermal energy
11
Precious yellow metallic element
纵向
2
Unit of electric potential
3
Group of similar cells
5
Path of a planet around the sun
6
Magnetic metallic element
8
Unit of energy