横向
1
Line dividing two countries
4
Physical features of land
5
Region between the two tropic lines
7
Landform where river meets the sea
11
Seasonal heavy rainfall
12
Land surrounded by water on three sides
纵向
2
Largest hot desert in the world
3
Large area covered with trees
6
Cold treeless Arctic plain
7
Dry land with little rainfall
8
Where river meets the sea
9
Tool for finding directions
10
Raised area of land, smaller than a mountain