横向
1
The Red Planet
3
Gas essential for breathing
7
Substance with pH below 7
8
Ball of burning gas in space
9
Fourth state of matter
纵向
2
Substance with pH above 7
4
Natural satellite of Earth
5
Blocking of light by a celestial body
6
Unit of force
The Red Planet
Gas essential for breathing
Substance with pH below 7
Ball of burning gas in space
Fourth state of matter
Substance with pH above 7
Natural satellite of Earth
Blocking of light by a celestial body
Unit of force