横向
1
Amplified beam of light
5
Naturally occurring inorganic solid
6
The Red Planet
7
Fourth state of matter
9
Unit of force
12
Group of similar cells
14
Compound containing oxygen
纵向
2
Chemical element in table salt
3
Basic unit of life
4
Blocking of light by a celestial body
8
Infectious microscopic agent
10
Smallest unit of an element
11
Magnetic metallic element
13
Second lightest element