横向
1
Unit of heredity
4
Measure of matter in an object
5
Positive particle in nucleus
7
Ball of burning gas in space
纵向
2
Center of an atom or cell
3
Substance with pH above 7
4
The Red Planet
5
Particle of light
6
Mass per unit volume
Unit of heredity
Measure of matter in an object
Positive particle in nucleus
Ball of burning gas in space
Center of an atom or cell
Substance with pH above 7
The Red Planet
Particle of light
Mass per unit volume