横向
1
Landform where river meets the sea
4
Wearing away of land by water or wind
5
Goods brought in from another country
6
Where river meets the sea
10
Low-lying land surrounded by higher ground
纵向
2
Area where water covers the soil
3
Low area between mountains
7
Land surrounded by water
8
Height above sea level
9
Region near the equator
11
Vast body of salt water