横向
1
City that is seat of government
3
One of seven major landmasses
4
Cold treeless Arctic plain
6
Large body of water partly enclosed by land
10
Total number of people in an area
11
Largest river in South America
纵向
1
Steep rock face at edge of land
2
Distance east or west of prime meridian
5
Goods brought in from another country
6
Large slow-moving mass of ice
7
Seasonal heavy rainfall
8
Largest hot desert in the world
9
Physical features of land