横向
1
Mountain that can erupt with lava
5
Largest river in South America
6
Flat elevated area of land
10
Largest ocean on Earth
11
Flat grassland in tropical regions
12
One of seven major landmasses
纵向
2
Piece of land jutting into the sea
3
Seasonal heavy rainfall
4
Large natural elevation of earth
7
Largest hot desert in the world
8
City that is seat of government
9
Area where water covers the soil