横向
1
Measure of matter in an object
4
Group of similar cells
7
Reddish electrical conductor
8
Smallest unit of an element
纵向
2
Tectonic landmass section
3
Ball of burning gas in space
5
Icy body with a tail near the sun
6
The Red Planet
Measure of matter in an object
Group of similar cells
Reddish electrical conductor
Smallest unit of an element
Tectonic landmass section
Ball of burning gas in space
Icy body with a tail near the sun
The Red Planet