横向
1
Low-lying land surrounded by higher ground
4
Largest river in South America
5
Goods sold to another country
7
Half of the Earth
纵向
2
Largest hot desert in the world
3
Land surrounded by water on three sides
6
Long-term weather patterns of an area
8
Ocean between Americas and Europe/Africa
9
Deep narrow valley with steep sides
10
Low area between mountains
11
Piece of land jutting into the sea