横向
1
Group of similar cells
3
Measure of matter in an object
4
Center of an atom or cell
6
Biological catalyst
8
Push or pull on an object
纵向
2
Fourth state of matter
5
Nerve cell in the brain
7
Gas essential for breathing
Group of similar cells
Measure of matter in an object
Center of an atom or cell
Biological catalyst
Push or pull on an object
Fourth state of matter
Nerve cell in the brain
Gas essential for breathing