横向
1
Wearing away of land by water or wind
3
Visual representation of an area
6
Physical features of land
7
Ocean between Americas and Europe/Africa
8
Line dividing two countries
11
Flat grassland in tropical regions
12
Landform where river meets the sea
纵向
2
Area where water covers the soil
4
Goods brought in from another country
5
Land surrounded by water
6
Cold treeless Arctic plain
9
Seasonal heavy rainfall
10
Piece of land jutting into the sea