横向
1
Area where water covers the soil
4
Steep rock face at edge of land
6
Vast body of salt water
7
Flat grassland in tropical regions
纵向
2
Landform where river meets the sea
3
Largest ocean on Earth
4
City that is seat of government
5
Line dividing two countries
7
Largest hot desert in the world
8
Land surrounded by water on three sides
9
Ocean between Americas and Europe/Africa
10
Where river meets the sea