横向
1
Push or pull on an object
4
Chemical element in table salt
6
Compound containing oxygen
7
Path of a planet around the sun
9
Positive particle in nucleus
11
Blocking of light by a celestial body
纵向
2
Substance with pH above 7
3
Reddish electrical conductor
5
Molten rock beneath Earth surface
8
Unit of energy
10
Nerve cell in the brain