横向
1
Cold treeless Arctic plain
4
Steep rock face at edge of land
5
Low area between mountains
6
Flat elevated area of land
10
Chain or group of islands
11
Imaginary line around the middle of Earth
纵向
1
Region near the equator
2
Visual representation of an area
3
Land surrounded by water
7
Goods sold to another country
8
Largest hot desert in the world
9
Largest ocean on Earth
