横向
1
Natural satellite of Earth
3
Disturbance that transfers energy
5
Tissue that contracts for movement
7
Second lightest element
8
Our home planet
纵向
2
Unit of force
4
Center of an atom or cell
6
Molten rock beneath Earth surface
Natural satellite of Earth
Disturbance that transfers energy
Tissue that contracts for movement
Second lightest element
Our home planet
Unit of force
Center of an atom or cell
Molten rock beneath Earth surface