横向
1
Glass that splits light into spectrum
4
Disturbance that transfers energy
5
Nerve cell in the brain
纵向
2
Mass per unit volume
3
Reddish electrical conductor
6
Natural satellite of Earth
7
Center of an atom or cell
8
Ball of burning gas in space
Glass that splits light into spectrum
Disturbance that transfers energy
Nerve cell in the brain
Mass per unit volume
Reddish electrical conductor
Natural satellite of Earth
Center of an atom or cell
Ball of burning gas in space