横向
1
Disturbance that transfers energy
4
Push or pull on an object
5
Group of similar cells
6
Measure of matter in an object
8
Smallest unit of an element
纵向
2
Compound containing oxygen
3
Molten rock beneath Earth surface
7
Amplified beam of light
Disturbance that transfers energy
Push or pull on an object
Group of similar cells
Measure of matter in an object
Smallest unit of an element
Compound containing oxygen
Molten rock beneath Earth surface
Amplified beam of light