横向
1
Low-lying land surrounded by higher ground
3
Steep rock face at edge of land
4
City that is seat of government
5
Largest hot desert in the world
6
Line dividing two countries
纵向
2
Physical features of land
3
Deep narrow valley with steep sides
7
Landform where river meets the sea
8
Where river meets the sea
9
Large slow-moving mass of ice
10
Cold treeless Arctic plain