横向
1
Path of a planet around the sun
3
Disturbance that transfers energy
5
Glass that splits light into spectrum
6
Nerve cell in the brain
7
Precious yellow metallic element
8
Group of similar cells
纵向
2
Naturally occurring inorganic solid
3
Unit of power
4
Center of an atom or cell
9
Measure of matter in an object
10
Substance with pH below 7