横向
1
Deep narrow valley with steep sides
4
Ridge of rock or coral near the surface
5
Region near the equator
8
Landform where river meets the sea
9
Wearing away of land by water or wind
10
Visual representation of an area
纵向
2
Where river meets the sea
3
Mountain that can erupt with lava
6
Land surrounded by water
7
Large natural stream of water