横向
1
Largest ocean on Earth
3
Largest hot desert in the world
6
Height above sea level
8
Physical features of land
9
Seasonal heavy rainfall
10
Large body of water partly enclosed by land
纵向
2
Tool for finding directions
4
Distance east or west of prime meridian
5
Low area between mountains
6
Ocean between Americas and Europe/Africa
7
Visual representation of an area
11
Wearing away of land by water or wind
12
Goods sold to another country
13
Area where water covers the soil