横向
1
Dry land with little rainfall
4
Chain or group of islands
5
Cold treeless Arctic plain
纵向
1
Landform where river meets the sea
2
Region near the equator
3
Flat grassland in tropical regions
6
Area where water covers the soil
7
Visual representation of an area
8
Long-term weather patterns of an area
9
Ridge of rock or coral near the surface
10
Wearing away of land by water or wind
11
Large area covered with trees
12
Vast body of salt water