横向
1
Icy body with a tail near the sun
4
Glass that splits light into spectrum
5
Element found in all living things
7
Center of an atom or cell
9
Solid with repeating atomic pattern
纵向
2
Ball of burning gas in space
3
Natural satellite of Earth
5
Reddish electrical conductor
6
Infectious microscopic agent
8
Molten rock beneath Earth surface