横向
1
Largest river in South America
4
Dry land with little rainfall
6
Tool for finding directions
7
Land surrounded by water
8
Mountain that can erupt with lava
9
Vast body of salt water
11
Where river meets the sea
14
Area where water covers the soil
纵向
2
Low-lying land surrounded by higher ground
3
Cold treeless Arctic plain
5
Distance east or west of prime meridian
10
Visual representation of an area
12
Line dividing two countries
13
Largest ocean on Earth