横向
1
Gas essential for breathing
4
Our home planet
6
Glass that splits light into spectrum
7
Natural satellite of Earth
纵向
2
Push or pull on an object
3
Unit of energy
5
Substance with pH below 7
6
Fourth state of matter
Gas essential for breathing
Our home planet
Glass that splits light into spectrum
Natural satellite of Earth
Push or pull on an object
Unit of energy
Substance with pH below 7
Fourth state of matter