横向
1
Our home planet
3
Second lightest element
4
Substance with pH above 7
6
Unit of power
纵向
2
Molten rock beneath Earth surface
3
Form of thermal energy
5
Ball of burning gas in space
7
Tectonic landmass section
Our home planet
Second lightest element
Substance with pH above 7
Unit of power
Molten rock beneath Earth surface
Form of thermal energy
Ball of burning gas in space
Tectonic landmass section