横向
1
Substance with pH below 7
4
Blocking of light by a celestial body
5
Gas form of a liquid
7
Form of thermal energy
纵向
2
Infectious microscopic agent
3
Our home planet
6
Substance with pH above 7
8
Curved glass that refracts light
Substance with pH below 7
Blocking of light by a celestial body
Gas form of a liquid
Form of thermal energy
Infectious microscopic agent
Our home planet
Substance with pH above 7
Curved glass that refracts light