横向
1
Distance north or south of equator
3
Where river meets the sea
5
Steep rock face at edge of land
8
Low area between mountains
纵向
2
Region surrounding the North Pole
3
Wearing away of land by water or wind
4
Large natural elevation of earth
5
Deep narrow valley with steep sides
6
Raised area of land, smaller than a mountain
7
Landform where river meets the sea