横向
1
Region near the equator
4
Line dividing two countries
7
Low area between mountains
9
Visual representation of an area
10
Height above sea level
12
Goods sold to another country
纵向
2
Steep rock face at edge of land
3
Wearing away of land by water or wind
5
Large natural stream of water
6
Landform where river meets the sea
8
Where river meets the sea
11
Raised area of land, smaller than a mountain