横向
1
Low-lying land surrounded by higher ground
3
Largest hot desert in the world
5
Large area covered with trees
6
Body of water surrounded by land
7
Total number of people in an area
纵向
2
Tool for finding directions
4
Land surrounded by water on three sides
8
Height above sea level
9
Landform where river meets the sea
10
Distance north or south of equator