横向
1
Push or pull on an object
3
The Red Planet
6
Ball of burning gas in space
7
Unit of energy
8
Magnetic metallic element
纵向
2
Infectious microscopic agent
4
Smallest unit of an element
5
Center of an atom or cell
9
Biological catalyst
Push or pull on an object
The Red Planet
Ball of burning gas in space
Unit of energy
Magnetic metallic element
Infectious microscopic agent
Smallest unit of an element
Center of an atom or cell
Biological catalyst