横向
1
Distance north or south of equator
4
Region surrounding the North Pole
8
Land surrounded by water
9
Region near the equator
10
Line dividing two countries
11
Low area between mountains
12
Where river meets the sea
纵向
2
Largest hot desert in the world
3
One of seven major landmasses
5
Half of the Earth
6
Physical features of land
7
Cold treeless Arctic plain
13
Flat grassland in tropical regions
14
Mountain that can erupt with lava