横向
1
Mountain that can erupt with lava
5
Flat elevated area of land
6
Line dividing two countries
7
Height above sea level
12
Largest hot desert in the world
纵向
2
Flat grassland in tropical regions
3
Region between the two tropic lines
4
Large natural elevation of earth
8
Dry land with little rainfall
9
Low area between mountains
10
Landform where river meets the sea
11
Land surrounded by water on three sides