横向
1
Chain or group of islands
5
Steep rock face at edge of land
7
Low-lying land surrounded by higher ground
8
Largest river in South America
9
Flat grassland in tropical regions
10
Goods brought in from another country
纵向
2
Raised area of land, smaller than a mountain
3
Line dividing two countries
4
Low area between mountains
5
One of seven major landmasses
6
Land surrounded by water on three sides
11
Landform where river meets the sea