横向
1
Measure of matter in an object
3
Positive particle in nucleus
5
Natural satellite of Earth
8
Unit of energy
9
Tectonic landmass section
10
Magnetic metallic element
12
Reddish electrical conductor
纵向
1
Naturally occurring inorganic solid
2
Infectious microscopic agent
4
Curved glass that refracts light
6
Particle of light
7
Mass per unit volume
11
Gas essential for breathing
13
Hottest planet in solar system