横向
1
Gas essential for breathing
5
Molten rock beneath Earth surface
6
Fourth state of matter
纵向
2
Gas form of a liquid
3
Reddish electrical conductor
4
Biological catalyst
7
Our home planet
8
Measure of matter in an object
Gas essential for breathing
Molten rock beneath Earth surface
Fourth state of matter
Gas form of a liquid
Reddish electrical conductor
Biological catalyst
Our home planet
Measure of matter in an object