横向
1
Land surrounded by water
5
Flat grassland in tropical regions
6
Low area between mountains
7
Vast body of salt water
纵向
2
City that is seat of government
3
Body of water surrounded by land
4
Distance east or west of prime meridian
8
Distance north or south of equator
9
Flat elevated area of land
10
Largest river in South America
11
Largest hot desert in the world