横向
1
Area where water covers the soil
4
Large natural stream of water
7
Low-lying land surrounded by higher ground
8
Vast body of salt water
9
Dry land with little rainfall
纵向
2
Narrow sea inlet between cliffs
3
Landform where river meets the sea
5
Ocean between Americas and Europe/Africa
6
Wearing away of land by water or wind
10
Cold treeless Arctic plain
11
Low area between mountains
12
Tool for finding directions