横向
1
Infectious microscopic agent
3
Positive particle in nucleus
6
Icy body with a tail near the sun
8
Smallest unit of an element
纵向
2
Preserved remains of ancient life
4
Unit of force
5
Chemical element in table salt
7
Push or pull on an object
Infectious microscopic agent
Positive particle in nucleus
Icy body with a tail near the sun
Smallest unit of an element
Preserved remains of ancient life
Unit of force
Chemical element in table salt
Push or pull on an object