横向
1
Nerve cell in the brain
5
Gas form of a liquid
6
Unit of power
7
Element found in all living things
8
Ball of burning gas in space
纵向
2
Glass that splits light into spectrum
3
Mass per unit volume
4
Particle of light
9
Unit of force
Nerve cell in the brain
Gas form of a liquid
Unit of power
Element found in all living things
Ball of burning gas in space
Glass that splits light into spectrum
Mass per unit volume
Particle of light
Unit of force