横向
1
Largest hot desert in the world
4
Seasonal heavy rainfall
6
Imaginary line around the middle of Earth
7
Largest ocean on Earth
8
Wearing away of land by water or wind
9
Large body of water partly enclosed by land
纵向
2
Land surrounded by water on three sides
3
Area where water covers the soil
5
Flat grassland in tropical regions
10
Dry land with little rainfall