横向
1
Landform where river meets the sea
3
One of seven major landmasses
4
Vast body of salt water
7
Raised area of land, smaller than a mountain
纵向
1
Dry land with little rainfall
2
Mountain that can erupt with lava
3
Deep narrow valley with steep sides
5
Total number of people in an area
6
Long-term weather patterns of an area