横向
1
Smallest unit of an element
4
Biological catalyst
5
Naturally occurring inorganic solid
6
Substance with pH above 7
8
Form of thermal energy
纵向
2
Ball of burning gas in space
3
Compound containing oxygen
7
Tectonic landmass section
Smallest unit of an element
Biological catalyst
Naturally occurring inorganic solid
Substance with pH above 7
Form of thermal energy
Ball of burning gas in space
Compound containing oxygen
Tectonic landmass section