横向
1
Largest river in South America
4
Imaginary line around the middle of Earth
5
Low area between mountains
7
Goods brought in from another country
8
Largest hot desert in the world
9
Seasonal heavy rainfall
纵向
2
Piece of land jutting into the sea
3
Where river meets the sea
4
Wearing away of land by water or wind
6
City that is seat of government