横向
1
Region near the equator
3
Seasonal heavy rainfall
5
Largest river in South America
7
Line dividing two countries
8
Visual representation of an area
10
Goods sold to another country
纵向
2
Land surrounded by water on three sides
4
Large natural stream of water
6
Large area covered with trees
9
City that is seat of government
11
Body of water surrounded by land
12
Largest ocean on Earth