横向
1
One of seven major landmasses
6
Visual representation of an area
7
Largest hot desert in the world
9
Wearing away of land by water or wind
10
Ridge of rock or coral near the surface
11
Dry land with little rainfall
13
Large natural elevation of earth
纵向
2
Distance east or west of prime meridian
3
Physical features of land
4
Distance north or south of equator
5
Area where water covers the soil
8
Largest river in South America
12
Low-lying land surrounded by higher ground