横向
1
Ridge of rock or coral near the surface
3
Largest hot desert in the world
4
Land surrounded by water
7
Flat grassland in tropical regions
9
Distance north or south of equator
11
City that is seat of government
纵向
2
Wearing away of land by water or wind
5
Where river meets the sea
6
Region surrounding the North Pole
8
Body of water surrounded by land
10
Land surrounded by water on three sides
12
Landform where river meets the sea
13
Visual representation of an area