横向
1
Landform where river meets the sea
4
Total number of people in an area
9
Dry land with little rainfall
10
City that is seat of government
11
Large natural stream of water
13
Flat elevated area of land
纵向
2
Large body of water partly enclosed by land
3
Large natural elevation of earth
5
Largest ocean on Earth
6
Deep narrow valley with steep sides
7
Land surrounded by water on three sides
8
Cold treeless Arctic plain
12
Chain or group of islands