横向
1
Height above sea level
6
Cold treeless Arctic plain
7
Physical features of land
8
Low-lying land surrounded by higher ground
9
Visual representation of an area
10
Line dividing two countries
11
Wearing away of land by water or wind
纵向
2
Half of the Earth
3
Body of water surrounded by land
4
Flat elevated area of land
5
Area where water covers the soil
11
Imaginary line around the middle of Earth
12
Distance east or west of prime meridian
13
Goods sold to another country