横向
1
Where river meets the sea
5
Largest ocean on Earth
6
Height above sea level
7
Visual representation of an area
8
Land surrounded by water on three sides
纵向
2
Tool for finding directions
3
Distance east or west of prime meridian
4
Region near the equator
5
Total number of people in an area
9
Wearing away of land by water or wind
10
Low area between mountains
11
Flat elevated area of land