横向
1
Distance north or south of equator
6
Region between the two tropic lines
7
Largest hot desert in the world
8
Largest river in South America
9
Where river meets the sea
纵向
1
Body of water surrounded by land
2
Land surrounded by water on three sides
3
Dry land with little rainfall
4
Cold treeless Arctic plain
5
Piece of land jutting into the sea