横向
1
Land surrounded by water on three sides
5
Piece of land jutting into the sea
6
Largest river in South America
7
Total number of people in an area
11
Region surrounding the North Pole
纵向
2
Line dividing two countries
3
Deep narrow valley with steep sides
4
Landform where river meets the sea
5
Steep rock face at edge of land
8
Cold treeless Arctic plain
9
Raised area of land, smaller than a mountain
10
Land surrounded by water
12
Goods sold to another country