横向
1
Amplified beam of light
4
Icy body with a tail near the sun
6
Tissue that contracts for movement
9
Curved glass that refracts light
10
Natural satellite of Earth
纵向
2
Disturbance that transfers energy
3
Ball of burning gas in space
5
Precious yellow metallic element
7
Reddish electrical conductor
8
Second lightest element