横向
1
Group of similar cells
5
Unit of heredity
7
Gas form of a liquid
8
Curved glass that refracts light
纵向
2
Substance with pH above 7
3
Gas essential for breathing
4
Unit of power
6
Tectonic landmass section
Group of similar cells
Unit of heredity
Gas form of a liquid
Curved glass that refracts light
Substance with pH above 7
Gas essential for breathing
Unit of power
Tectonic landmass section