横向
1
Largest river in South America
4
Seasonal heavy rainfall
5
Region surrounding the North Pole
7
Land surrounded by water
8
Largest ocean on Earth
10
City that is seat of government
纵向
2
Region between the two tropic lines
3
Mountain that can erupt with lava
6
Flat grassland in tropical regions
8
Land surrounded by water on three sides
9
Distance north or south of equator
11
Large natural stream of water