横向
1
Hottest planet in solar system
3
Smallest unit of an element
4
Nerve cell in the brain
7
Compound containing oxygen
纵向
2
Unit of force
5
Magnetic metallic element
6
Infectious microscopic agent
8
Second lightest element
Hottest planet in solar system
Smallest unit of an element
Nerve cell in the brain
Compound containing oxygen
Unit of force
Magnetic metallic element
Infectious microscopic agent
Second lightest element