横向
1
Substance with pH above 7
3
Amplified beam of light
4
Unit of force
5
Positive particle in nucleus
纵向
2
Mass per unit volume
5
Fourth state of matter
6
Unit of energy
7
Smallest unit of an element
Substance with pH above 7
Amplified beam of light
Unit of force
Positive particle in nucleus
Mass per unit volume
Fourth state of matter
Unit of energy
Smallest unit of an element