横向
1
Land surrounded by water
4
Wearing away of land by water or wind
6
Low area between mountains
7
Tool for finding directions
9
Large slow-moving mass of ice
11
Ridge of rock or coral near the surface
纵向
2
Distance east or west of prime meridian
3
Physical features of land
5
Largest river in South America
7
One of seven major landmasses
8
Largest hot desert in the world
10
Vast body of salt water