横向
1
Large slow-moving mass of ice
4
Area where water covers the soil
5
Total number of people in an area
12
Flat elevated area of land
纵向
2
Deep narrow valley with steep sides
3
Line dividing two countries
6
Large natural elevation of earth
7
Vast body of salt water
8
Raised area of land, smaller than a mountain
9
Large area covered with trees
10
Height above sea level
11
Landform where river meets the sea