横向
1
Total number of people in an area
6
Low-lying land surrounded by higher ground
7
Height above sea level
10
Area where water covers the soil
纵向
2
Steep rock face at edge of land
3
Seasonal heavy rainfall
4
Landform where river meets the sea
5
Deep narrow valley with steep sides
8
One of seven major landmasses
9
Long-term weather patterns of an area
11
Piece of land jutting into the sea