横向
1
Substance with pH below 7
3
Positive particle in nucleus
5
Measure of matter in an object
6
Our home planet
8
Center of an atom or cell
9
Basic unit of life
纵向
2
Amplified beam of light
4
Unit of energy
7
Form of thermal energy
8
Unit of force
Substance with pH below 7
Positive particle in nucleus
Measure of matter in an object
Our home planet
Center of an atom or cell
Basic unit of life
Amplified beam of light
Unit of energy
Form of thermal energy
Unit of force