横向
1
Basic unit of life
3
Our home planet
4
Substance with pH above 7
5
Precious yellow metallic element
7
Unit of energy
纵向
2
Compound containing oxygen
3
Blocking of light by a celestial body
6
Icy body with a tail near the sun
Basic unit of life
Our home planet
Substance with pH above 7
Precious yellow metallic element
Unit of energy
Compound containing oxygen
Blocking of light by a celestial body
Icy body with a tail near the sun