横向
1
Dry land with little rainfall
4
Large slow-moving mass of ice
6
Low-lying land surrounded by higher ground
7
Flat grassland in tropical regions
9
Goods sold to another country
纵向
2
Low area between mountains
3
Landform where river meets the sea
5
Region between the two tropic lines
8
Line dividing two countries
10
Large natural elevation of earth
11
Visual representation of an area