横向
1
Distance north or south of equator
4
Raised area of land, smaller than a mountain
6
Deep narrow valley with steep sides
7
Tool for finding directions
10
Ridge of rock or coral near the surface
11
Largest hot desert in the world
纵向
2
Ocean between Americas and Europe/Africa
3
Largest ocean on Earth
5
Height above sea level
8
Large area covered with trees
9
Total number of people in an area