横向
1
Goods brought in from another country
3
Where river meets the sea
8
Largest hot desert in the world
11
Largest river in South America
纵向
2
Landform where river meets the sea
4
Height above sea level
5
Deep narrow valley with steep sides
6
Land surrounded by water on three sides
7
Low area between mountains
9
Region between the two tropic lines
10
Ocean between Americas and Europe/Africa