横向
1
Vast body of salt water
4
Largest ocean on Earth
5
Height above sea level
8
City that is seat of government
纵向
2
Physical features of land
3
One of seven major landmasses
6
Large natural elevation of earth
7
Low area between mountains
9
Half of the Earth
10
Goods brought in from another country
11
Dry land with little rainfall
12
Distance east or west of prime meridian