横向
1
Large natural elevation of earth
5
Vast body of salt water
6
Largest ocean on Earth
7
Low area between mountains
8
Landform where river meets the sea
10
Imaginary line around the middle of Earth
13
Total number of people in an area
纵向
1
Visual representation of an area
2
Low-lying land surrounded by higher ground
3
Region surrounding the North Pole
4
Land surrounded by water on three sides
9
Largest river in South America
11
Chain or group of islands
12
Dry land with little rainfall
14
Cold treeless Arctic plain