横向
1
Measure of matter in an object
3
Our home planet
5
Gas essential for breathing
6
The Red Planet
8
Blocking of light by a celestial body
纵向
2
Glass that splits light into spectrum
4
Unit of energy
7
Amplified beam of light
Measure of matter in an object
Our home planet
Gas essential for breathing
The Red Planet
Blocking of light by a celestial body
Glass that splits light into spectrum
Unit of energy
Amplified beam of light