横向
1
Path of a planet around the sun
3
Element found in all living things
4
The Red Planet
7
Unit of force
纵向
2
Ball of burning gas in space
3
Icy body with a tail near the sun
5
Nerve cell in the brain
6
Mass per unit volume
8
Our home planet
Path of a planet around the sun
Element found in all living things
The Red Planet
Unit of force
Ball of burning gas in space
Icy body with a tail near the sun
Nerve cell in the brain
Mass per unit volume
Our home planet