横向
1
Large area covered with trees
5
Landform where river meets the sea
7
Largest hot desert in the world
8
Flat grassland in tropical regions
9
Distance north or south of equator
纵向
2
Mountain that can erupt with lava
3
City that is seat of government
4
Land surrounded by water on three sides
6
Large natural stream of water
10
One of seven major landmasses
11
Largest river in South America