横向
1
Area where water covers the soil
4
Land surrounded by water on three sides
5
Flat elevated area of land
9
Large slow-moving mass of ice
12
Largest hot desert in the world
纵向
2
Long-term weather patterns of an area
3
Tool for finding directions
6
Large natural stream of water
7
Largest ocean on Earth
8
Ocean between Americas and Europe/Africa
10
Region near the equator
11
Distance east or west of prime meridian
13
Wearing away of land by water or wind