横向
1
Path of a planet around the sun
4
Particle of light
6
Magnetic metallic element
7
Form of thermal energy
8
Nerve cell in the brain
纵向
2
Unit of force
3
Mass per unit volume
5
Gas form of a liquid
Path of a planet around the sun
Particle of light
Magnetic metallic element
Form of thermal energy
Nerve cell in the brain
Unit of force
Mass per unit volume
Gas form of a liquid