横向
1
Nerve cell in the brain
5
Fourth state of matter
8
Infectious microscopic agent
9
Smallest unit of an element
纵向
2
Tectonic landmass section
3
Our home planet
4
Magnetic metallic element
6
Tissue that contracts for movement
7
The Red Planet
Nerve cell in the brain
Fourth state of matter
Infectious microscopic agent
Smallest unit of an element
Tectonic landmass section
Our home planet
Magnetic metallic element
Tissue that contracts for movement
The Red Planet