横向
1
Molten rock beneath Earth surface
3
Unit of energy
5
Measure of matter in an object
6
Substance with pH below 7
纵向
1
The Red Planet
2
Gas form of a liquid
4
Icy body with a tail near the sun
5
Naturally occurring inorganic solid
Molten rock beneath Earth surface
Unit of energy
Measure of matter in an object
Substance with pH below 7
The Red Planet
Gas form of a liquid
Icy body with a tail near the sun
Naturally occurring inorganic solid