横向
1
Natural satellite of Earth
4
Second lightest element
6
Molten rock beneath Earth surface
纵向
2
Glass that splits light into spectrum
3
Biological catalyst
5
Path of a planet around the sun
7
Unit of force
8
Gas essential for breathing
Natural satellite of Earth
Second lightest element
Molten rock beneath Earth surface
Glass that splits light into spectrum
Biological catalyst
Path of a planet around the sun
Unit of force
Gas essential for breathing