横向
1
Height above sea level
5
Ocean between Americas and Europe/Africa
6
Dry land with little rainfall
8
Low area between mountains
10
Vast body of salt water
13
Flat elevated area of land
纵向
2
Half of the Earth
3
Where river meets the sea
4
Distance east or west of prime meridian
5
Chain or group of islands
7
Large natural elevation of earth
9
Largest ocean on Earth
11
Physical features of land
12
Total number of people in an area