横向
1
Total number of people in an area
6
Height above sea level
7
Distance east or west of prime meridian
8
Piece of land jutting into the sea
9
Largest hot desert in the world
10
Vast body of salt water
纵向
1
Land surrounded by water on three sides
2
Line dividing two countries
3
Dry land with little rainfall
4
Largest ocean on Earth
5
Ocean between Americas and Europe/Africa
8
Tool for finding directions
11
Goods brought in from another country
12
Largest river in South America