横向
1
Naturally occurring inorganic solid
4
Unit of force
7
Gas form of a liquid
8
Molten rock beneath Earth surface
9
Path of a planet around the sun
纵向
2
Second lightest element
3
Biological catalyst
5
Particle of light
6
Substance with pH below 7
Naturally occurring inorganic solid
Unit of force
Gas form of a liquid
Molten rock beneath Earth surface
Path of a planet around the sun
Second lightest element
Biological catalyst
Particle of light
Substance with pH below 7