横向
1
Total number of people in an area
5
Tool for finding directions
7
Largest hot desert in the world
9
Land surrounded by water
10
Low area between mountains
纵向
2
Largest river in South America
3
Narrow sea inlet between cliffs
4
Region near the equator
6
Ocean between Americas and Europe/Africa
8
Chain or group of islands
11
Largest ocean on Earth