横向
1
Total number of people in an area
6
Body of water surrounded by land
7
Long-term weather patterns of an area
8
Steep rock face at edge of land
纵向
2
Goods brought in from another country
3
Low-lying land surrounded by higher ground
4
Largest river in South America
5
Piece of land jutting into the sea
9
Narrow sea inlet between cliffs
10
Vast body of salt water
11
Raised area of land, smaller than a mountain