横向
1
Chemical element in table salt
4
Ball of burning gas in space
6
Mass per unit volume
7
Disturbance that transfers energy
纵向
2
Push or pull on an object
3
Infectious microscopic agent
5
Amplified beam of light
8
Second lightest element
Chemical element in table salt
Ball of burning gas in space
Mass per unit volume
Disturbance that transfers energy
Push or pull on an object
Infectious microscopic agent
Amplified beam of light
Second lightest element