横向
1
Region near the equator
2
Line dividing two countries
5
Goods sold to another country
8
Vast body of salt water
10
Largest river in South America
纵向
2
Low-lying land surrounded by higher ground
3
Large area covered with trees
4
Narrow sea inlet between cliffs
5
Where river meets the sea
6
Piece of land jutting into the sea
7
Large natural stream of water
9
Mountain that can erupt with lava