横向
1
Flat grassland in tropical regions
4
Region near the equator
6
Raised area of land, smaller than a mountain
7
Narrow sea inlet between cliffs
9
Body of water surrounded by land
10
Largest ocean on Earth
纵向
2
Total number of people in an area
3
Largest river in South America
5
Largest hot desert in the world
7
Large area covered with trees
8
Steep rock face at edge of land
11
Large body of water partly enclosed by land