横向
1
Unit of force
2
Glass that splits light into spectrum
4
Positive particle in nucleus
7
Center of an atom or cell
纵向
2
Particle of light
3
Gas essential for breathing
5
Second lightest element
6
Biological catalyst
8
Amplified beam of light
Unit of force
Glass that splits light into spectrum
Positive particle in nucleus
Center of an atom or cell
Particle of light
Gas essential for breathing
Second lightest element
Biological catalyst
Amplified beam of light