横向
1
Cold treeless Arctic plain
4
Goods sold to another country
6
Large body of water partly enclosed by land
7
Deep narrow valley with steep sides
8
Land surrounded by water on three sides
9
Region surrounding the North Pole
11
Low area between mountains
纵向
2
City that is seat of government
3
Distance north or south of equator
5
Largest hot desert in the world
10
Large area covered with trees