横向
1
Biological catalyst
3
Infectious microscopic agent
5
Element found in all living things
6
Group of similar cells
11
Chemical element in table salt
纵向
2
Measure of matter in an object
3
Hottest planet in solar system
4
Blocking of light by a celestial body
7
Precious yellow metallic element
8
Particle of light
9
Our home planet
10
Substance with pH above 7
12
Icy body with a tail near the sun