横向
1
Ball of burning gas in space
2
Unit of force
3
Basic unit of life
4
Unit of energy
6
The Red Planet
8
Precious yellow metallic element
11
Tectonic landmass section
纵向
2
Center of an atom or cell
5
Measure of matter in an object
7
Chemical element in table salt
8
Unit of heredity
9
Curved glass that refracts light
10
Substance with pH below 7