横向
1
Total number of people in an area
4
Physical features of land
6
Landform where river meets the sea
7
Ridge of rock or coral near the surface
纵向
2
Where river meets the sea
3
Low-lying land surrounded by higher ground
4
Cold treeless Arctic plain
5
Height above sea level
8
Body of water surrounded by land
9
Steep rock face at edge of land
10
Goods sold to another country
11
Low area between mountains