横向
1
Icy body with a tail near the sun
3
Molten rock beneath Earth surface
5
Measure of matter in an object
7
Reddish electrical conductor
纵向
1
Basic unit of life
2
Fourth state of matter
4
Group of similar cells
6
Second lightest element
Icy body with a tail near the sun
Molten rock beneath Earth surface
Measure of matter in an object
Reddish electrical conductor
Basic unit of life
Fourth state of matter
Group of similar cells
Second lightest element