横向
1
Distance north or south of equator
5
Largest hot desert in the world
7
Steep rock face at edge of land
8
Goods brought in from another country
12
Physical features of land
纵向
2
Low area between mountains
3
Largest ocean on Earth
4
Large slow-moving mass of ice
6
Large natural elevation of earth
9
Large body of water partly enclosed by land
10
Area where water covers the soil
11
Deep narrow valley with steep sides
