横向
1
Mass per unit volume
4
The Red Planet
6
Tectonic landmass section
7
Chemical element in table salt
纵向
2
Solid with repeating atomic pattern
3
Path of a planet around the sun
5
Unit of heredity
6
Fourth state of matter
Mass per unit volume
The Red Planet
Tectonic landmass section
Chemical element in table salt
Solid with repeating atomic pattern
Path of a planet around the sun
Unit of heredity
Fourth state of matter