横向
1
Element found in all living things
3
Gas essential for breathing
6
Fourth state of matter
7
Particle of light
纵向
2
Unit of energy
4
Unit of electric potential
5
The Red Planet
8
Naturally occurring inorganic solid
9
Compound containing oxygen
Element found in all living things
Gas essential for breathing
Fourth state of matter
Particle of light
Unit of energy
Unit of electric potential
The Red Planet
Naturally occurring inorganic solid
Compound containing oxygen