横向
1
Largest river in South America
4
Large natural stream of water
5
Cold treeless Arctic plain
6
Vast body of salt water
8
Low-lying land surrounded by higher ground
纵向
2
Large natural elevation of earth
3
Goods brought in from another country
7
Visual representation of an area
9
Piece of land jutting into the sea
10
Landform where river meets the sea