横向
1
Cold treeless Arctic plain
4
Land surrounded by water
5
Goods sold to another country
7
Tool for finding directions
8
Largest hot desert in the world
纵向
1
Physical features of land
2
Flat grassland in tropical regions
3
Half of the Earth
6
City that is seat of government
9
Body of water surrounded by land
10
Long-term weather patterns of an area