横向
1
Solid with repeating atomic pattern
5
Curved glass that refracts light
7
Hottest planet in solar system
8
Push or pull on an object
纵向
1
Element found in all living things
2
Amplified beam of light
3
Mass per unit volume
4
Disturbance that transfers energy
6
Tectonic landmass section
9
Positive particle in nucleus
