横向
1
Low-lying land surrounded by higher ground
4
Dry land with little rainfall
5
Large natural stream of water
6
Distance east or west of prime meridian
7
One of seven major landmasses
纵向
1
Line dividing two countries
2
Area where water covers the soil
3
Wearing away of land by water or wind
8
Steep rock face at edge of land
9
Narrow sea inlet between cliffs
10
Large body of water partly enclosed by land
11
Largest ocean on Earth