横向
1
Large natural stream of water
4
Land surrounded by water
5
Region near the equator
5
Region between the two tropic lines
6
Cold treeless Arctic plain
7
Largest ocean on Earth
8
Physical features of land
9
Low area between mountains
纵向
2
City that is seat of government
3
Half of the Earth
10
Large slow-moving mass of ice
11
Vast body of salt water
12
Tool for finding directions