横向
1
Large body of water partly enclosed by land
3
Landform where river meets the sea
4
Vast body of salt water
5
Region between the two tropic lines
8
Land surrounded by water on three sides
11
Wearing away of land by water or wind
12
Seasonal heavy rainfall
纵向
2
Land surrounded by water
6
Mountain that can erupt with lava
7
Largest river in South America
9
Region surrounding the North Pole
10
Dry land with little rainfall
13
Largest hot desert in the world