横向
1
Large natural stream of water
4
Landform where river meets the sea
5
Imaginary line around the middle of Earth
6
Region surrounding the North Pole
12
Land surrounded by water on three sides
纵向
2
Largest hot desert in the world
3
Cold treeless Arctic plain
7
Distance north or south of equator
8
Where river meets the sea
9
Region between the two tropic lines
10
Chain or group of islands
11
Ocean between Americas and Europe/Africa
