横向
1
Height above sea level
4
Deep narrow valley with steep sides
6
Goods brought in from another country
7
Landform where river meets the sea
9
Largest river in South America
12
Where river meets the sea
13
Tool for finding directions
纵向
2
Raised area of land, smaller than a mountain
3
Largest ocean on Earth
5
Large area covered with trees
8
Visual representation of an area
10
Largest hot desert in the world
11
Land surrounded by water on three sides