横向
1
Unit of energy
4
Mass per unit volume
6
Glass that splits light into spectrum
7
Push or pull on an object
8
Curved glass that refracts light
纵向
2
Second lightest element
3
Our home planet
5
Biological catalyst
Unit of energy
Mass per unit volume
Glass that splits light into spectrum
Push or pull on an object
Curved glass that refracts light
Second lightest element
Our home planet
Biological catalyst