横向
1
Height above sea level
4
Largest river in South America
6
Tool for finding directions
7
Line dividing two countries
9
Large natural elevation of earth
10
Body of water surrounded by land
纵向
2
Largest hot desert in the world
3
Largest ocean on Earth
4
Chain or group of islands
5
Land surrounded by water on three sides
8
Area where water covers the soil
11
Ocean between Americas and Europe/Africa
12
Large area covered with trees