横向
1
Gas form of a liquid
3
Second lightest element
7
Glass that splits light into spectrum
纵向
2
Gas essential for breathing
4
Molten rock beneath Earth surface
5
The Red Planet
6
Magnetic metallic element
8
Amplified beam of light
Gas form of a liquid
Second lightest element
Glass that splits light into spectrum
Gas essential for breathing
Molten rock beneath Earth surface
The Red Planet
Magnetic metallic element
Amplified beam of light