横向
1
Line dividing two countries
4
Low area between mountains
5
One of seven major landmasses
8
Region surrounding the North Pole
纵向
2
Deep narrow valley with steep sides
3
Large slow-moving mass of ice
5
Tool for finding directions
6
Area where water covers the soil
7
Landform where river meets the sea
9
Long-term weather patterns of an area
10
Total number of people in an area