横向
1
Second lightest element
3
Tectonic landmass section
5
Gas form of a liquid
7
Unit of force
8
Substance with pH below 7
纵向
2
Basic unit of life
4
Glass that splits light into spectrum
6
Our home planet
9
Magnetic metallic element
Second lightest element
Tectonic landmass section
Gas form of a liquid
Unit of force
Substance with pH below 7
Basic unit of life
Glass that splits light into spectrum
Our home planet
Magnetic metallic element