横向
1
Steep rock face at edge of land
3
Landform where river meets the sea
5
Distance east or west of prime meridian
8
Large natural stream of water
11
Line dividing two countries
12
Height above sea level
纵向
2
Physical features of land
4
Largest ocean on Earth
6
Large area covered with trees
7
Body of water surrounded by land
9
Large natural elevation of earth
10
Half of the Earth