横向
1
Gas essential for breathing
3
The Red Planet
6
Fourth state of matter
8
Biological catalyst
纵向
2
Our home planet
4
Absolute temperature scale unit
5
Unit of electric potential
7
Hottest planet in solar system
Gas essential for breathing
The Red Planet
Fourth state of matter
Biological catalyst
Our home planet
Absolute temperature scale unit
Unit of electric potential
Hottest planet in solar system