横向
1
Largest hot desert in the world
4
Where river meets the sea
5
Vast body of salt water
6
Region between the two tropic lines
11
Land surrounded by water on three sides
纵向
2
Tool for finding directions
3
Large natural stream of water
7
Low-lying land surrounded by higher ground
8
Landform where river meets the sea
9
Body of water surrounded by land
10
Deep narrow valley with steep sides
12
Total number of people in an area