横向
1
Basic unit of life
3
Our home planet
5
Chemical element in table salt
6
Hottest planet in solar system
8
Unit of electric potential
9
Precious yellow metallic element
纵向
2
Center of an atom or cell
4
Preserved remains of ancient life
7
Blocking of light by a celestial body
10
Molten rock beneath Earth surface
11
Gas essential for breathing
