横向
1
Steep rock face at edge of land
3
City that is seat of government
4
Tool for finding directions
5
Low-lying land surrounded by higher ground
7
Large natural stream of water
纵向
1
Deep narrow valley with steep sides
2
Region surrounding the North Pole
6
Dry land with little rainfall
8
Low area between mountains
9
Chain or group of islands
10
Raised area of land, smaller than a mountain
11
Wearing away of land by water or wind
