横向
1
Largest river in South America
4
Flat grassland in tropical regions
5
Dry land with little rainfall
6
Goods brought in from another country
7
Half of the Earth
8
Visual representation of an area
纵向
1
Ocean between Americas and Europe/Africa
2
Total number of people in an area
3
Goods sold to another country
4
Largest hot desert in the world
9
Land surrounded by water