横向
1
Piece of land jutting into the sea
4
Wearing away of land by water or wind
5
Raised area of land, smaller than a mountain
7
Height above sea level
8
Region surrounding the North Pole
9
Ocean between Americas and Europe/Africa
14
Largest river in South America
15
Large slow-moving mass of ice
纵向
2
Low area between mountains
3
Large natural stream of water
6
Flat grassland in tropical regions
10
Flat elevated area of land
11
Land surrounded by water
12
Area where water covers the soil
13
Region near the equator