横向
1
Chain or group of islands
6
Landform where river meets the sea
7
Cold treeless Arctic plain
9
Tool for finding directions
11
Largest river in South America
纵向
2
Raised area of land, smaller than a mountain
3
Steep rock face at edge of land
4
Visual representation of an area
5
Total number of people in an area
8
Deep narrow valley with steep sides
10
Goods sold to another country