横向
1
Gas form of a liquid
3
Second lightest element
5
Push or pull on an object
7
The Red Planet
纵向
2
Our home planet
4
Element found in all living things
6
Molten rock beneath Earth surface
8
Ball of burning gas in space
Gas form of a liquid
Second lightest element
Push or pull on an object
The Red Planet
Our home planet
Element found in all living things
Molten rock beneath Earth surface
Ball of burning gas in space