横向
1
Center of an atom or cell
5
Unit of force
7
Smallest unit of an element
纵向
2
Push or pull on an object
3
Biological catalyst
4
Icy body with a tail near the sun
5
Nerve cell in the brain
6
Magnetic metallic element
Center of an atom or cell
Unit of force
Smallest unit of an element
Push or pull on an object
Biological catalyst
Icy body with a tail near the sun
Nerve cell in the brain
Magnetic metallic element