横向
1
Unit of energy
4
Gas form of a liquid
5
Positive particle in nucleus
8
Center of an atom or cell
纵向
2
Disturbance that transfers energy
3
Natural satellite of Earth
6
Gas essential for breathing
7
Precious yellow metallic element
Unit of energy
Gas form of a liquid
Positive particle in nucleus
Center of an atom or cell
Disturbance that transfers energy
Natural satellite of Earth
Gas essential for breathing
Precious yellow metallic element