横向
1
Biological catalyst
3
Naturally occurring inorganic solid
4
Chemical element in table salt
5
Substance with pH above 7
6
Basic unit of life
9
Path of a planet around the sun
12
Solid with repeating atomic pattern
13
Icy body with a tail near the sun
纵向
1
Blocking of light by a celestial body
2
Unit of heredity
3
The Red Planet
7
Tectonic landmass section
8
Unit of power
10
Unit of force
11
Preserved remains of ancient life