横向
1
Total number of people in an area
6
Large natural stream of water
7
Flat elevated area of land
8
Land surrounded by water
10
One of seven major landmasses
纵向
2
Low area between mountains
3
Landform where river meets the sea
4
Visual representation of an area
5
Physical features of land
9
Chain or group of islands
11
Distance east or west of prime meridian