横向
1
Amplified beam of light
4
Unit of power
5
Curved glass that refracts light
6
Magnetic metallic element
纵向
2
Our home planet
3
Group of similar cells
7
Positive particle in nucleus
8
Unit of heredity
Amplified beam of light
Unit of power
Curved glass that refracts light
Magnetic metallic element
Our home planet
Group of similar cells
Positive particle in nucleus
Unit of heredity