横向
1
Natural satellite of Earth
4
Path of a planet around the sun
5
Disturbance that transfers energy
6
Naturally occurring inorganic solid
纵向
2
Second lightest element
3
Unit of energy
7
Infectious microscopic agent
8
Hottest planet in solar system
Natural satellite of Earth
Path of a planet around the sun
Disturbance that transfers energy
Naturally occurring inorganic solid
Second lightest element
Unit of energy
Infectious microscopic agent
Hottest planet in solar system