横向
1
Largest river in South America
2
Large area covered with trees
4
Body of water surrounded by land
5
Line dividing two countries
9
Wearing away of land by water or wind
10
Large body of water partly enclosed by land
11
Visual representation of an area
纵向
2
Narrow sea inlet between cliffs
3
Half of the Earth
6
Flat elevated area of land
7
Ridge of rock or coral near the surface
8
Goods sold to another country