横向
1
Unit of electric potential
3
Mass per unit volume
6
Hottest planet in solar system
8
Chemical element in table salt
纵向
2
Amplified beam of light
4
Smallest unit of an element
5
Form of thermal energy
7
Center of an atom or cell
Unit of electric potential
Mass per unit volume
Hottest planet in solar system
Chemical element in table salt
Amplified beam of light
Smallest unit of an element
Form of thermal energy
Center of an atom or cell